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Name of parent drug:
Abacavir

Abacavir Impurity D (ABCRC-8)/trans-Abacavir Dihydrochloride /Abacavir EP Impurity D
Abacavir Impurity D (ABCRC-8)/trans-Abacavir Dihydrochloride /Abacavir EP Impurity D

(1R,4R)-4-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]cyclopent-2-enyl]methanol dihydrochloride

Catalogue No : VL760005

CAS No : CAS No. 783292-37-5 (free base) / CAS NO: 267668-71-3(SALT)

Cyclopropyldiaminopurine Abacavir
Cyclopropyldiaminopurine Abacavir

N6‐cyclopropyl‐9H‐purine‐2,6‐diamine ; 2-Amino-6-cyclopropylamino-9H-purine Methanolate

Catalogue No : VL760002

CAS No : 120503-69-7

Descyclopropyl Abacavir/Abacavir EP Impurity C/ Abacavir USP Related Compound A
Descyclopropyl Abacavir/Abacavir EP Impurity C/ Abacavir USP Related Compound A

(1S,4R)-4-(2,6-Diamino-9H-purin-9-yl)ethanol

Catalogue No : VL760006

CAS No : 124752-25-6

3-Hydroxy Abacavir
3-Hydroxy Abacavir

(1R,2R,4S)-2-(2-amino-6-(cyclopropylamino)-9H-purin-9-yl)-4-(hydroxymethyl)cyclopentanol

Catalogue No : VL760008

CAS No : N/A

T-Butyl Derivative Abacavir / Abacavir Impurity F
T-Butyl Derivative Abacavir / Abacavir Impurity F

6-(Cyclopropylamino)-9-[(1R,4S)-4-[[(1,1-dimethylethyl)oxy]methyl]cyclopent-2-enyl]-9H-purine-2-amine; O-t-Butyl Derivative Abacavir (USP) ;Abacavir t-Butyl Ether

Catalogue No : VL760003

CAS No : 1443421-68-8

Abacavir O-Pyrimidine Impurity / Abacavir EP Impurity B / Abacavir Related Compound D
Abacavir O-Pyrimidine Impurity / Abacavir EP Impurity B / Abacavir Related Compound D

6-(Cyclopropylamino)-9-[(1R,4S)-4-[[(2,5-diamino-6-chloropyrimidin-4-yl)oxy]methyl]cyclopent-2-enyl]-9H-purine-2-amine

Catalogue No : VL760001

CAS No : 1443421-69-9

Trans Abacavir Impurity
Trans Abacavir Impurity

(1R,4R)-4-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]-2-cyclopentene-1-methanol Diydrochloride

Catalogue No : VL760007

CAS No : 267668-71-3

Abacavir Enantiomer impurity
Abacavir Enantiomer impurity

(1R,4S)-4-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]-2-cyclopentene-1-methanol

Catalogue No : VL760009

CAS No : 136470-79-6

Abacavir Ethanolate Impurity
Abacavir Ethanolate Impurity

{(1S,4R)-4-[(9R)-2-Amino-6-ethoxy-9H-purin-9-yl]-2-cyclopenten-1-yl}methanol

Catalogue No : VL760004

CAS No : N/A

Abiraterone N-Oxide
Abiraterone N-Oxide

(3β)-17-(3-Pyridinyl)androsta-5,16-dien-3-ol Acetate (Ester) N- Oxide

Catalogue No : VL830002

CAS No : N/A

16-Dehydro Pregnenolone Acetate Oxime (DHPG Oxime Acetate)
16-Dehydro Pregnenolone Acetate Oxime (DHPG Oxime Acetate)

(3β)-3-(Acetyloxy)pregna-5,16-dien-20-one; 3β-Hydroxypregna-5,16-dien-20-one Acetate; (-)-16-Dehydropregnenolone Acetate; 16,17-Didehydropregnenolone Acetate; 16-DPA; 16-Dehydropregnenolone-3β-acetate; 20-Oxopregna-5,16-dien-3β-yl Acetate; 3β-Acetoxypregna-5,16-dien-20-one; 3β-Acetyloxy-pregna

Catalogue No : VL830003

CAS No : 979-02-2

7-Keto Abiraterone Acetate
7-Keto Abiraterone Acetate

(3S,8R,9S,10R,13S,14S)-10,13-Dimethyl-7-oxo-17-(pyridin-3-yl)-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl Acetate

Catalogue No : VL830001

CAS No : N/A

16-Dehydro Pregnenolone Acetate Impurity (DHPG Acetate)
16-Dehydro Pregnenolone Acetate Impurity (DHPG Acetate)

(3β)-3-(Acetyloxy)pregna-5,16-dien-20-one; 3β-Hydroxypregna-5,16-dien-20-one Acetate

Catalogue No : VL830004

CAS No : 979-02-2

<a href="https://www.veeprhopharma.com/aceclofenac-ep-impurity-h-cas-no-1216495-92-9.php" target="_blank">Aceclofenac EP Impurity H</a>

[[[[[[[2-[(2,6-Dichlorophenyl)amino]phenyl]acetyl]oxy]acetyl] oxy]acetyl]oxy]acetic acid

Catalogue No : VL284008

CAS No : 1216495-92-9

Aceclofenac Impurity C / Diclofenac Ethyl Ester
Aceclofenac Impurity C / Diclofenac Ethyl Ester

Ethyl[2-[(2,6-dichlorophenyl)amino]phenyl] acetate

Catalogue No : VL284006

CAS No : 15307-77-4

Aceclofenac Impurity A / Diclofenac Sodium
Aceclofenac Impurity A / Diclofenac Sodium

2-(2-(2,6-dichlorophenylamino)phenyl)sodium acetate

Catalogue No : VL284007

CAS No : 15307-86-5

Aceclofenac EP Impurity G
Aceclofenac EP Impurity G

[[[[[2-[(2,6-Dichlorophenyl)amino]phenyl] acetyl]oxy]acetyl]oxy]acetic acid

Catalogue No : VL284009

CAS No : 1215709-75-3

Aceclofenac tert-butyl ester Impurity
Aceclofenac tert-butyl ester Impurity

2-(tert-butoxy)-2-oxoethyl 2-(2-((2,6-dichlorophenyl)amino)phenyl)acetate

Catalogue No : VL284010

CAS No : 139272-68-7

Aceclofenac Impurity F / Aceclofenac Benzyl Ester
Aceclofenac Impurity F / Aceclofenac Benzyl Ester

Benzyl[[[2-[(2,6-dichlorophenyl)amino]phenyl] acetyl]oxy]acetate

Catalogue No : VL284001

CAS No : 100499-89-6

Aceclofenac EP Impurity D
Aceclofenac EP Impurity D

Methyl[[[2-[(2,6-dichlorophenyl)amino]phenyl] acetyl]oxy]acetate

Catalogue No : VL284002

CAS No : 139272-66-5

Aceclofenac EP Impurity E
 Aceclofenac EP Impurity E

Ethyl[[[2-[(2,6-dichlorophenyl) amino] phenyl] acetyl] oxy] acetate

Catalogue No : VL284003

CAS No : 139272-67-6

<a href="https://www.veeprhopharma.com/aceclofenac-ep-impurity-i-diclofenac-impurity-a-cas-no-15362-40-0.php" target="_blank" title="Aceclofenac Impurity">Aceclofenac EP Impurity I / Diclofenac Impurity A </a>

1-(2,6-Dichlorophenyl)-1,3-dihydro-2H-indol-2-one

Catalogue No : VL284004

CAS No : 15362-40-0

Aceclofenac Impurity B / Diclofenac Methyl Ester
Aceclofenac Impurity B / Diclofenac Methyl Ester

Methyl[2-[(2,6-dichlorophenyl)amino]phenyl] acetate

Catalogue No : VL284005

CAS No : 15307-78-5

Acenocoumarol 4-Hydroxy Coumarin (G 22411)
Acenocoumarol 4-Hydroxy Coumarin (G 22411)

4-Hydroxy-2H-1-benzopyran-2-one; 4-Coumarinol; 4-Hydroxy-2H-1-benzopyran-2-one; 4-Hydroxy-2H-benzo[b]pyran-2-one

Catalogue No : VL2320001

CAS No : 1076-38-6

Acenocoumarol 4-nitro benzalacetone Impurity
Acenocoumarol 4-nitro benzalacetone Impurity

4-(p-Nitrophenyl)-3-buten-2-one

Catalogue No : VL2320002

CAS No : 3490-37-7

Acenocoumarol 4-nitro Benzaldeyde Impurity
Acenocoumarol 4-nitro Benzaldeyde Impurity

4-Formylnitrobenzene

Catalogue No : VL2320003

CAS No : 555-16-8

Acesulfame Potassium A impurity
Acesulfame Potassium A impurity

3-Oxobutanamide

Catalogue No : VL3340001

CAS No : 5977-14-0

Acetaminophen Related Compound J
Acetaminophen Related Compound J

N-(4-Chlorophenyl)acetamide

Catalogue No : VL3290005

CAS No : 539-03-7

Acetaminophen Related Compound C
Acetaminophen Related Compound C

N-(2-hydroxyphenyl)acetamide

Catalogue No : VL3290004

CAS No : 614-80-2

Acetaminophen Dimer 1 Impurity
Acetaminophen Dimer 1 Impurity

N,N’-(6,6’-Dihydroxy[1,1’-biphenyl]-3,3’-diyl)bisacetamide

Catalogue No : VL3290001

CAS No : 98966-14-4

Acetaminophen EP Impurity B / Acetaminophen Related Compound B
Acetaminophen EP Impurity B / Acetaminophen Related Compound B

N-(4-hydroxyphenyl)propanamide

Catalogue No : VL3290003

CAS No : 1693-37-4

Acetaminophen Related Compound D
Acetaminophen Related Compound D

Acetylaniline; N-Phenylacetamide;N-phenylcetamide ; Acetanilide

Catalogue No : VL3290002

CAS No : 103-84-4

<a href="https://www.veeprhopharma.com/acetazolamide-ep-impurity-e-cas-no-827026-60-8.php" target="_blank" title="Acetazolamide Impurity">Acetazolamide EP Impurity E</a>

5-acetamido-1,3,4-thiadiazole-2-sulfonic acid

Catalogue No : VL11002

CAS No : 827026-60-8

<a href="https://www.veeprhopharma.com/acetazolamide-ep-impurity-a-cas-no-60320-32-3.php" target="_blank" title="Acetazolamide Impurity">Acetazolamide EP Impurity A</a>

N-(5-chloro-1,3,4-thiadiazol-2-yl)acetamide

Catalogue No : VL11001

CAS No : 60320-32-3

<a href="https://www.veeprhopharma.com/acetazolamide-ep-impurity-b-cas-no-5393-55-5.php" target="_blank" title="Acetazolamide Impurity">Acetazolamide EP Impurity B</a>

N-(1,3,4-thiadiazol-2-yl)acetamide

Catalogue No : VL11003

CAS No : 5393-55-5

<a href="https://www.veeprhopharma.com/acetazolamide-ep-impurity-c-cas-no-32873-56-6.php" target="_blank" title="Acetazolamide Impurity">Acetazolamide EP Impurity C</a>

2-Acetylamino-5-mercapto-1,3,4 thiadiazole

Catalogue No : VL11004

CAS No : 32873-56-6

Acetazolamide EP Impurity G
Acetazolamide EP Impurity G

5-amino-1,3,4-thiadiazole-2-thiol

Catalogue No : VL11006

CAS No : 2349-67-9

Acetazolamide EP Impurity F
Acetazolamide EP Impurity F

N-[5-[(5-Acetamido-1,3,4-thiadiazol-2-yl)sulfonyl]sulfamoyl-1,3,4-thiadiazol-2- yl]acetamide

Catalogue No : VL11007

CAS No : 80495-47-2

Acetazolamide Disulphide Impurity
Acetazolamide Disulphide Impurity

N,N’-[Dithiobis(1,3,4-thiadiazole-5,2-diyl)]bisacetamide

Catalogue No : VL11008

CAS No : 99055-56-8

Acetazolamide EP Impurity D
Acetazolamide EP Impurity D

5-Amino-1,3,4-thiadiazole-2-sulfonamide HCl

Catalogue No : VL11005

CAS No : 14949-00-9

<a href="https://www.veeprhopharma.com/acetylcysteine-ep-impurity-b-cas-no-52-90-4.php" target="_blank" title="Acetylcysteine  Impurity">Acetylcysteine EP Impurity B</a>

L-Cysteine or (R)-2-Amino-3-mercaptopropionic acid

Catalogue No : VL1350002

CAS No : 52-90-4

<a href="https://www.veeprhopharma.com/acetylcysteine-ep-impurity-c-cas-no-05545-17-5.php" target="_blank" title="Acetylcysteine  Impurity">Acetylcysteine EP Impurity C</a>

N,N-Diacetyl-L-cystine

Catalogue No : VL1350003

CAS No : 05545-17-5

<a href="https://www.veeprhopharma.com/acetylcysteine-ep-impurity-a-cas-no-56-89-3.php" target="_blank" title="Acetylcysteine  Impurity">Acetylcysteine EP Impurity A</a>

L-Cystine; 3,3-Dithiobis(2-aminopropanoic Acid

Catalogue No : VL1350001

CAS No : 56-89-3

<a href="https://www.veeprhopharma.com/acetylcysteine-ep-impurity-d-cas-no-18725-37-6.php" target="_blank" title="Acetylcysteine  Impurity">Acetylcysteine EP Impurity D</a>

N,S-Diacetyl-L-cysteine ; N-Acetylcysteine S-Acetate

Catalogue No : VL1350004

CAS No : 18725-37-6

Acyclovir EP Impurity N
Acyclovir EP Impurity N

(2-((2-acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethoxy)methyl acetate

Catalogue No : VL13019

CAS No : N/A

Acyclovir EP Impurity O
Acyclovir EP Impurity O

9-[(2-hydroxyethoxy)methyl]-2-[(hydroxymethyl)amino]-1,9-dihydro-6H-purin-6-one

Catalogue No : VL13017

CAS No : N/A

Acyclovir EP Impurity Q
Acyclovir EP Impurity Q

2-Amino-9-[[2-(hydroxymethoxy)ethoxy]methyl]-1,9-dihydro-6H-purin-6-one AND 2-Amino-9-[[2-(hydroxyethoxy)methoxy]methyl]-1,9-dihydro-6H-purin-6-one

Catalogue No : VL13023

CAS No : N/A

Acyclovir EP Impurity R
Acyclovir EP Impurity R

9,9’-(2,5,7,10-Tetraoxaundecane-1,11-diyl)bis(2-amino-9H-purin-6-ol)

Catalogue No : VL13018

CAS No : N/A

Acyclovir Impurity M
Acyclovir Impurity M

2-[(2-acetamido-6-oxo-6,7-dihydro-1H-purin-7-yl)methoxy]ethyl acetate

Catalogue No : VL13016

CAS No : 91702-60-2

Acyclovir Impurity A / O-Acetyl Acyclovir
Acyclovir Impurity A / O-Acetyl Acyclovir

2-((2-amino-6-oxo-1H-purin-9(6H)-yl) methoxy) ethyl acetate

Catalogue No : VL13001

CAS No : 102728-64-3

Acyclovir Impurity I
Acyclovir Impurity I

9,7-[1,2-Ethanediylbis(oxymethylene)]bisguaniney I

Catalogue No : VL13020

CAS No : 1797832-75-7

Acyclovir Impurity D
Acyclovir Impurity D

2-((2-amino-6-oxo-3H-purin-9(6H)-yl)methoxy)ethyl benzoate;2-[(2-Amino-6-oxo-3,6-dihydro-9H-purin-9-yl)methoxy]ethyl benzoate

Catalogue No : VL13021

CAS No : 59277-91-7

Acyclovir EP Impurity F / N2-Acetyl Acyclovir
Acyclovir EP Impurity F / N2-Acetyl Acyclovir

N-[6,9-Dihydro-9-[(2-hydroxyethoxy)methyl]-6-oxo-1H-purin-2-yl]acetamide; 9-[(2-Hydroxyethoxy)methyl]-N2-acetylguanine

Catalogue No : VL13007

CAS No : 110104-37-5

Acyclovir Impurity H
Acyclovir Impurity H

2-((2-acetamido-6-oxo-1H-purin-9(6H)-yl)methoxy)ethyl benzoate; N-[9-[[2-(Benzoyloxy)ethoxy]methyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-acetamide

Catalogue No : VL13022

CAS No : 133186-23-9

Acyclovir Impurity J / Dimer Acyclovir
Acyclovir Impurity J / Dimer Acyclovir

9,9’-((ethane-1,2-diylbis(oxy))bis(methylene))bis(2-amino-1H-purin-6(9H)-one

Catalogue No : VL13004

CAS No : 166762-90-9

Acyclovir Impurity E
Acyclovir Impurity E

6-amino-9-[(2-hydroxyethoxy)methyl]-2,9-dihydro-1H-purin-2-one

Catalogue No : VL13024

CAS No : 374697-95-7

Acyclovir Impurity K
Acyclovir Impurity K

2,2’-(methylenebis(azanediyl))bis(9-((2-hydroxyethoxy)methyl)-1H-purin-6(9H)- one)

Catalogue No : VL13005

CAS No : 1797131-64-6

Acyclovir EP Impurity C / Acyclovir N7-Isomer
Acyclovir EP Impurity C / Acyclovir N7-Isomer

2-Amino-7-[(2-hydroxyethoxy)methyl]-1,7-dihydro -6H-purin-6-one;N7-[(2-Hydroxyethoxy) methyl)guanine

Catalogue No : VL13006

CAS No : 91702-61-3

Acyclovir Impurity P
Acyclovir Impurity P

2-amino-9-(2-hydroxyethyl)-1H-purin-6(9H)-one

Catalogue No : VL13012

CAS No : 23169-33-7

7-Acyclovir Impurity
7-Acyclovir Impurity

2-amino-7-((2-hydroxyethoxy)methyl)-3H-purin-6(7H)-one

Catalogue No : VL13002

CAS No : 91702-61-3

Acyclovir 9-Acetyl Impurity / Diacetyl Acyclovir / Acyclovir Impurity G
Acyclovir 9-Acetyl Impurity / Diacetyl Acyclovir / Acyclovir Impurity G

2-((2-acetamido-6-hydroxy-9H-purin-9-yl) methoxy) ethyl acetate

Catalogue No : VL13011

CAS No : 75128-73-3

Acyclovir Impurity B
Acyclovir Impurity B

2-amino-1H-purin-6(9H)-one

Catalogue No : VL13014

CAS No : 73-40-5

Acyclovir Impurity L
Acyclovir Impurity L

N-(9-acetyl-6-oxo-6, 9-dihydro-1H-purin-2-yl) acetamide

Catalogue No : VL13013

CAS No : 3056-33-5

<a href="https://www.veeprhopharma.com/adamantane-impurity-2-cas-no-702-77-2.php" target="_blank" title="Adamantane Impurity">Adamantane Impurity 2</a>

1-Bromo-3-methyl-tricyclo[3.3.1.13,7]decane; 1-Bromo-3-methyl-adamantane; 1-Methyl-3-bromoadamantane

Catalogue No : VL2290001

CAS No : 702-77-2

<a href="https://www.veeprhopharma.com/adamantane-impurity-3-cas-no-878-61-5.php" target="_blank" title="Adamantane Impurity">Adamantane Impurity 3</a>

1-Bromo-3-ethyladamantane; 1-Bromo-3-ethyltricyclo[3.3.1.13,7]decane

Catalogue No : VL2290002

CAS No : 878-61-5

Adapalene EP Impurity A / Adapalene Related Compound E
Adapalene EP Impurity A / Adapalene Related Compound E

[2,2’-Binaphthalene]-6,6’-dicarboxylic Acid

Catalogue No : VL3420001

CAS No : 932033-58-4

Adapalene EP Impurity B
Adapalene EP Impurity B

6-[3-(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)-4-methoxyphenyl]-2-naphthalenecarboxylic Acid

Catalogue No : VL3420003

CAS No : 1346599-76-5

Adapalene EP Impurity C / Adapalene Related Compound C
Adapalene EP Impurity C / Adapalene Related Compound C

1-(2-Methoxyphenyl)ticyclo[3.3.1.13,7]decane; 1-(o-Methoxyphenyl)adamantane

Catalogue No : VL3420004

CAS No : 43109-77-9

Adapalene EP Impurity D / Adapalene Related Compound D
Adapalene EP Impurity D / Adapalene Related Compound D

1,1’-(4,4’-Dimethoxy[1,1’-biphenyl]-3,3’-diyl)bistricyclo[3.3.1.13,7]decane

Catalogue No : VL3420002

CAS No : 932033-57-3

<a href="https://www.veeprhopharma.com/agomelatine-impurity-2-cas-no-178677-39-9.php" target="_blank" title="Agomelatine Impurity">Agomelatine Impurity 2</a>


Catalogue No : VL1840001

CAS No : 178677-39-9

Albendazole Impurity 4
Albendazole Impurity 4

o-Nitroaniline; 1-Amino-2-nitrobenzene

Catalogue No : VL960017

CAS No : 88-74-4

Albendazole Impurity 6
Albendazole Impurity 6

Cyanoiminocalcium

Catalogue No : VL960016

CAS No : 156-62-7

Albendazole EP Impurity K
Albendazole EP Impurity K

Methyl (6-(butylthio)-1H-benzo(d)imidazole-2-yl)carbamate

Catalogue No : VL960010

CAS No : N/A

Albendazole EP Impurity L
Albendazole EP Impurity L

Methyl(6-(isoproylthio)-1H-benzo(d)imidazole-2-yl)carbamate

Catalogue No : VL960011

CAS No : 108579-67-5

<a href="https://www.veeprhopharma.com/albendazole-ep-impurity-a-cas-no-80983-36-4.php" target="_blank" title="albendazole Impurity">Albendazole EP Impurity A</a>

5-(Propylsulphanyl)-1H-benzimidazol-2-amine; Desmethoxycarbonyl Albendazole.

Catalogue No : VL960001

CAS No : 80983-36-4

<a href="https://www.veeprhopharma.com/albendazole-ep-impurity-c-cas-no-75184-71-3.php" target="_blank" title="albendazole Impurity">Albendazole EP Impurity C</a>

Methyl[5-Propylsulphonyl)-1H-benzimidazol-2-yl]carbamate

Catalogue No : VL960003

CAS No : 75184-71-3

<a href="https://www.veeprhopharma.com/albendazole-ep-impurity-e-cas-no-10605-21-7.php" target="_blank" title="albendazole Impurity">Albendazole EP Impurity E</a>

Methyl (1H-benzimidazol-2-yl)carbamate

Catalogue No : VL960005

CAS No : 10605-21-7

<a href="https://www.veeprhopharma.com/albendazole-ep-impurity-f-cas-no-80983-45-5.php" target="_blank" title="albendazole Impurity">Albendazole EP Impurity F</a>

Methyl [[]5-(methylsulphanyl)-1H-benzimidazol-2-yl]carbamate

Catalogue No : VL960006

CAS No : 80983-45-5

<a href="https://www.veeprhopharma.com/albendazole-ep-impurity-b-cas-no-54029-12-8.php" target="_blank" title="albendazole Impurity">Albendazole EP Impurity B</a>

Methyl[5-Propylsulphonyl)-1H-benzimidazol-2-yl]carbamate; Albendazole Oxide

Catalogue No : VL960002

CAS No : 54029-12-8

Albendazole EP Impurity I
Albendazole EP Impurity I

Methyl(6-propoxy-1H-benzo[d]imidazole-2-yl) carbamate

Catalogue No : VL960012

CAS No : 20559-55-1

Albendazole EP Impurity J
Albendazole EP Impurity J

Methyl(4,6-dichloro-1Hbeno(d)imidazole-2-yl)carbamate

Catalogue No : VL960013

CAS No : 946498-41-5

<a href="https://www.veeprhopharma.com/albendazole-ep-impurity-d-cas-no-80983-34-2.php" taget="_blank">Albendazole EP Impurity D</a>

5-(Propylsulphonyl)-1Hbenzimidazol-2-amine

Catalogue No : VL960004

CAS No : 80983-34-2

Albendazole Impurity H / Fenbendazole EP Impurity B / Fenbendazole USP RC B / Albendazole 5-Chloro Analog
Albendazole Impurity H / Fenbendazole EP Impurity B /  Fenbendazole USP RC B / Albendazole 5-Chloro Analog

Methyl (5-chloro-1H-benzimidazol-2-yl)carbamate

Catalogue No : VL960014

CAS No : 20367-38-8

Alfuzosin Hydrochloride
Alfuzosin Hydrochloride

N-(3-((4-amino-6, 7-dimethoxyquinazolin-2-yl)(methyl)amino)propyl) tetrahydrofuran-2-carboxamide.

Catalogue No : VL259001

CAS No : 81403-68-1

<a href="https://www.veeprhopharma.com/Alfuzosin-EP-Impurity-B-CAS-No-23680-84-4.php" target="_blank">Alfuzosin EP Impurity B</a>

2chloro-6,7-dimethoxyquinazolin-4-amine

Catalogue No : VL259008

CAS No : 23680-84-4

<a href="https://www.veeprhopharma.com/Alfuzosin-EP-Impurity-C-CAS-No-72104-34-8.php" target="_blank">Alfuzosin EP Impurity C</a>

(RS)-N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)amino]propyl]-N-methyltetrahydrofuran-2-carboxamide hydrochloride

Catalogue No : VL259009

CAS No : 72104-34-8

Alfuzosin EP Impurity G
Alfuzosin EP Impurity G

N2-(3-(4-amino-6,7-dimethoxyquinazolin-2-ylamino)propyl)-6,7-dimethoxy-N2- methylquinazoline-2,4-diamine

Catalogue No : VL259010

CAS No : 928780-95-4

<a href="https://www.veeprhopharma.com/Alfuzosin-Impurity-A-CAS-No-98902-29-5.php" target="_blank">Alfuzosin EP Impurity A</a>

N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)(methyl)amino]propyl]furan-2- carboxamide hydrochloride

Catalogue No : VL259002

CAS No : 98902-29-5

<a href="https://www.veeprhopharma.com/Alfuzosin-Impurity-D-CAS-No-81403-69-2.php" target="_blank">Alfuzosin EP Impurity D</a>

N-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-N-methylpropane-1,3-diamine
hydrochloride

Catalogue No : VL259003

CAS No : 81403-69-2

<a href="https://www.veeprhopharma.com/Alfuzosin-Impurity-E-CAS-No-1026411-59-5.php" target="_blank">Alfuzosin EP Impurity E</a>

N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)(methyl)amino]propyl]formamide hydrochloride

Catalogue No : VL259004

CAS No : 1026411-59-5

Alfuzosin EP Impurity F
Alfuzosin EP Impurity F

N-(3-(((4-amino-6, 7-dihydroxyquinazolin-2-yl) methyl) (methyl) amino) propyl)tetrahydrofuran-2-carboxamide

Catalogue No : VL259005

CAS No : 19216-53-6

<a href="https://www.veeprhopharma.com/allopurinol-related-compound-f-cas-no-321571-07-7.php" target="_blank" title="Acetazolamide Impurity">Allopurinol Related Compound F</a>

(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester

Catalogue No : VL1430001

CAS No : 321571-07-7

<a href="https://www.veeprhopharma.com/allopurinol-impurity-c-allopurinol-USP-related-compound-c-cas-no-1346604-13-4" target="_blank" title="Allopurinol Impurity">Allopurinol Impurity C / Allopurinol USP Related Compound C</a>

N-(4H-1,2,4-Triazol-4-yl)1H-pyrazole-4-carboxamide

Catalogue No : VL1430003

CAS No : 1346604-13-4

Allopurinol EP Impurity E / Allopurinol USP Related Compound E
Allopurinol EP Impurity E / Allopurinol USP Related Compound E

3-Formamidopyrazole-4-carboxylic Acid Ethyl Ester

Catalogue No : VL1430004

CAS No : 31055-19-3

Allopurinol EP Impurity D / Allopurinol USP Related Compound D
Allopurinol EP Impurity D / Allopurinol USP Related Compound D

Ethyl 3-Amino-4-pyrazolecarboxylate Molecular Weight

Catalogue No : VL1430005

CAS No : 6994-25-8

Allopurinol EP Impurity B / Allopurinol USP Related Compound B
Allopurinol EP Impurity B / Allopurinol USP Related Compound B

3-Formamidopyrazole-4-carboxamide

Catalogue No : VL1430002

CAS No : 22407-20-1

Almotriptan Impurity A / Almotriptan Related Compound A
Almotriptan Impurity A / Almotriptan Related Compound A

{3-[2-(dimethylamino)-ethyl]-5-[(pyrrolidin-1-yl-sulfonyl)methyl]-1H-indol-1-yl}-methanol.

Catalogue No : VL264001

CAS No : 1018676-02-2

Almotriptan Impurity B / Almotriptan Related Compound B
Almotriptan Impurity B / Almotriptan Related Compound B

2-{5-[(pyrrolidin-1-yl-sulfonyl)-methyl]-1H-indol-3-yl}-ethanamine

Catalogue No : VL264002

CAS No : 181178-24-5

Almotriptan Impurity C / Almotriptan N- Oxide
Almotriptan Impurity C / Almotriptan N- Oxide

N,N-dimethyl-2-(5-{[(pyrrolidin-1-yl)sulfonyl]methyl}-1H-indol-3-yl)-ethanamine-N-oxide.Malate

Catalogue No : VL264003

CAS No : N/A

Almotriptan USP Related Compound D
Almotriptan USP Related Compound D

N,N-Dimethyl-5-[(1-pyrrolidinylsulfonyl)methyl]-1H-indole-3-ethanamine N-Oxide Hydrochloride

Catalogue No : VL264004

CAS No : 603137-43-5

Alosetron HCL Impurity D
Alosetron HCL Impurity D

2,5-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indol-1-one

Catalogue No : VL1730001

CAS No : N/A

Alosetron Impurity B
Alosetron Impurity B

4(5)-Methylimidazole; 5-Methyl-1H-imidazole

Catalogue No : VL1730003

CAS No : 863485-44-3

Alosetron Impurity A
Alosetron Impurity A

2,3,4,5-Tetrahydro-6-hydroxy-5-methyl-2-[(5-methyl-1H-imidazol-4-yl)methyl]-1H-pyrido[4,3-b]indol-1-one; 2,3,4,5-Tetrahydro-6-hydroxy-5-methyl-2-[(4-methyl-1H-imidazol-5-yl)methyl]-1H-pyrido[4,3-b]indol-1-one

Catalogue No : VL1730002

CAS No : 128486-89-5

Alprazolam Related Compound A
Alprazolam Related Compound A

2-(2-Acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine

Catalogue No : VL4410001

CAS No : 28910-89-6

Ambroxol EP Impurity A
Ambroxol EP Impurity A

(2-amino-3,5-dibromophenyl)methanol

Catalogue No : VL219001

CAS No : 50739-76-9

Ambroxol EP Impurity B
Ambroxol EP Impurity B

trans-4-(6,8-dibromo-1,4-dihydroquinazolin-3(2H)-yl)cyclohexanol

Catalogue No : VL219002

CAS No : 18683-95-9

Ambroxol EP Impurity C
Ambroxol EP Impurity C

trans-4-{[(E)-(2-amino-3,5-dibromophenyl)methylidene ]amino}cyclohexanol

Catalogue No : VL219003

CAS No : 50910-53-7

Ambroxol EP Impurity D
Ambroxol EP Impurity D

cis-4-[(2-Amino-3,5-dibromobenzyl)amino]cyclohexanol HCl

Catalogue No : VL219004

CAS No : 107814-37-9

Ambroxol EP Impurity E
Ambroxol EP Impurity E

2-amino-3,5dibromobenzaldehyde

Catalogue No : VL219005

CAS No : 50910-55-9

Amiloride EP Impurity B / HCl Salt
Amiloride EP Impurity B / HCl Salt

3,5-Diamino-6-chloropyrazine-2-carboxylic acid hydrochloride

Catalogue No : VL4630002

CAS No : 4878-36-8

Aminocaproic acid Trimmer Impurity
Aminocaproic acid Trimmer Impurity

6-[[6-[(6-Amino-1-oxohexyl)amino]-1-oxohexyl]amino]hexanoic Acid

Catalogue No : VL2710002

CAS No : 5776-78-3

Aminocaproic acid Dimmer Impurity
Aminocaproic acid Dimmer Impurity

N-(6’-Aminocaproyl)-6-aminocaproic Acid, 6-Aminocaproic Acid Dimer

Catalogue No : VL2710001

CAS No : 2014-58-6

Aminocaproic acid Caprolactum Impurity
Aminocaproic acid Caprolactum Impurity

1-Aza-2-cycloheptanone

Catalogue No : VL2710003

CAS No : 105-60-2

Amiodarone EP Impurity A/ Amiodarone Related Compound A/ Di-Desiodo Amiodarone
Amiodarone EP Impurity A/ Amiodarone Related Compound A/ Di-Desiodo Amiodarone

(2-Butylbenzofuran-3-yl)[4-[2-(diethylamino) ethoxy]phenyl]methanone hydrochloride

Catalogue No : VL1390001

CAS No : 23551-25-9

Amiodarone EP Impurity B/ Amiodarone related Compound B/ N-Desethyl Amiodarone Hydrochloride
Amiodarone EP Impurity B/ Amiodarone related Compound B/ N-Desethyl Amiodarone Hydrochloride

(2-Butylbenzofuran-3-yl)[4-[2-(ethylamino)ethoxy]-3,5-diiodophenyl]methanone hydrochloride

Catalogue No : VL1390002

CAS No : 96027-74-6

Amiodarone EP Impurity D/ Amiodarone Metabolite B2/ Amiodarone Related Compound D
Amiodarone EP Impurity D/ Amiodarone Metabolite B2/ Amiodarone Related Compound D

2-Butyl-3-(3,5-diiodo-4-hydroxybenzoyl)benzofuran

Catalogue No : VL1390005

CAS No : 1951-26-4

Amiodarone EP Impurity E/ Amiodarone Related Compound E
Amiodarone EP Impurity E/ Amiodarone Related Compound E

(2-Butylbenzofuran-3-yl)(4-hydroxyphenyl)methanone

Catalogue No : VL1390006

CAS No : 52490-15-0

Amiodarone EP Impurity F/ Amiodarone Related Compound F
Amiodarone EP Impurity F/ Amiodarone Related Compound F

(2-Butylbenzofuran-3-yl)(4-hydroxy-3-iodophenyl)methanone

Catalogue No : VL1390004

CAS No : 147030-50-0

Amiodarone EP Impurity G/ Amiodarone Related Compound G/ 1-Methoxy Amiodarone
Amiodarone EP Impurity G/ Amiodarone Related Compound G/ 1-Methoxy Amiodarone

[2-[(1RS)-1-Methoxybutyl]benzofuran-3-yl][4-[2-(diethylamino)ethoxy]-3,5-diiodophenyl] methanone

Catalogue No : VL1390007

CAS No : 1087223-70-8

Amiodarone EP Impurity H/ Amiodarone Related Compound H
Amiodarone EP Impurity H/ Amiodarone Related Compound H

2-Chloro-N,N-diethylethylamine hydrochloride

Catalogue No : VL1390008

CAS No : 869-24-9

Amiodarone EP Impurity C
Amiodarone EP Impurity C

(2-Butyl-3-benzofuranyl)[4-[2-(diethylamino)ethoxy]-3-iodophenyl]methanone

Catalogue No : VL1390003

CAS No : 85642-08-6

Amlodipine Related Compound D / Amlodipine EP Impurity A
Amlodipine Related Compound D / Amlodipine EP Impurity A

3-Ethyl-5-Methyl-(4RS)-4-(2-Chloophenyl)-2-[[2-(1,3-Dioxo-1,3-Dihydro-2HIsoindol-2-yl)Ethoxy)methyl]-6-Methyl-1,4-Dihydropyridine-3,5-Dicarboxylate

Catalogue No : VL19004

CAS No : 88150-62-3

Amlodipine Impurity 18
Amlodipine Impurity 18

2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-1,4-dihydro-6-methylpyridine-3,5- dicarboxylic acid

Catalogue No : VL19009

CAS No : 1821498-25-2

Amlodipine Related Compound E / Amlodipine EP Imurity E
Amlodipine Related Compound E / Amlodipine EP Imurity E

2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3,5-Diethyl Ester

Catalogue No : VL19005

CAS No : 140171-65-9

<a href="https://www.veeprhopharma.com/Amlodipine-Related-Compound-B-CAS-No-721958-72-1.php" target="_blank" title="Amlodipine Impurity B">Amlodipine Related Compound B / Amlodipine EP Impurity B</a>

4-(2-Chlorophenyl)-1,4-dihydro-2-methyl-6-[[2-[[2-[(methylamino)carbonyl] benzoyl] amino]ethoxy]methyl]-5-pyridine dicarboxylic Acid 5-Ethyl 3-Methyl Ester

Catalogue No : VL19002

CAS No : 721958-72-1

Amlodipine Related Compound A / Amlodipine EP Impurity D
Amlodipine Related Compound A / Amlodipine EP Impurity D

2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester

Catalogue No : VL19001

CAS No : 113994-41-5

Amlodipine Related Compound F / Amlodipine EP Impurity F
Amlodipine Related Compound F / Amlodipine EP Impurity F

2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3,5-dimethyl Ester

Catalogue No : VL19006

CAS No : 140171-66-0

<a href="https://www.veeprhopharma.com/Amlodipine-Related-Compound-H-CAS-No-318465-73-5.php" target="_blank" title="Amlodipine Impurity H">Amlodipine Related Compound H / Amlodipine EP Impurity H</a>

2-[[2-[(2-Carboxybenzoyl)amino]ethoxy]methyl] -4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester

Catalogue No : VL19007

CAS No : 318465-73-5

Amlodipine Impurity 20
Amlodipine Impurity 20

Dimethyl 2,6-Dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

Catalogue No : VL19018

CAS No : 70677-78-0

Amlodipine Impurity 22
Amlodipine Impurity 22

3-Ethyl 5-Methyl 2-((2-acetamidoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

Catalogue No : VL19016

CAS No : 93848-82-9

Amlodipine Impurity 24
Amlodipine Impurity 24

2,6-dimethyl-3,5-dicarboethoxy-4-(2-chlorophenyl)-1,4-dihydropyridine

Catalogue No : VL19017

CAS No : 34148-67-9

Amlodipine EP Impurity D Oxalate
Amlodipine EP Impurity D Oxalate

2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester Oxalate

Catalogue No : VL319015

CAS No : 1216406-90-4

Amlodipine Related Compound C / Amlodipine EP Impurity G
Amlodipine Related Compound C / Amlodipine EP Impurity G

(Dimethyl 4-(2-chlorophenyl)chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate)

Catalogue No : VL19003

CAS No : 721958-74-3

Amlodipine Impurity 6
Amlodipine Impurity 6

N-(2-Hydroxyethyl)phthalimide

Catalogue No : VL19019

CAS No : 3891-07-4

Amlodipine Methyl Ester Impurity
Amlodipine Methyl Ester Impurity

2-((2-((4-(2-chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-2-yl)methoxy)ethyl)amino)-4-methoxy-4-oxobutanoic acid

Catalogue No : VL19011

CAS No : N/A

Amlodipine Mannitol Adduct Impurity
Amlodipine Mannitol Adduct Impurity

3-ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-(3,4,5,-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-ylamibo)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate Molecular

Catalogue No : VL19013

CAS No : N/A

Amlodipine Ethyl Besylate Impurity
Amlodipine Ethyl Besylate Impurity

Benzenesulfonic Acid Ethyl Ester

Catalogue No : VL19014

CAS No : 515-46-8

Amlodipine Deschloro Impurity
Amlodipine Deschloro Impurity

2-[(2-Aminoethoxy)methyl]-1,4-dihydro-6-methyl-4-phenyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester

Catalogue No : VL19012

CAS No : 88150-52-1

Amoxicillin Related Compound A/Amoxicillin EP Impurity A
Amoxicillin Related Compound A/Amoxicillin EP Impurity A

(2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Catalogue No : VL1970001

CAS No : 551-16-6

<a href="https://www.veeprhopharma.com/amoxicillin-ep-impurity-b-cas-no-26889-93-0.php" target="_blank" title="Amoxicillin Impurity">Amoxicillin Related Compound B/Amoxicillin EP Impurity B</a>

6-[2-Amino-2-(p-hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid

Catalogue No : VL1970003

CAS No : 26889-93-0

<a href="https://www.veeprhopharma.com/amoxicillin-ep-impurity-c-cas-no-94659-47-9.php" target="_blank" title="Amoxicillin Impurity">Amoxicillin Related Compound C/Amoxicillin EP Impurity C</a>

(4S)-2-[5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethylthiazolidine-4-carboxylic Acid (Amoxicillin Diketopiperazines)

Catalogue No : VL1970004

CAS No : 94659-47-9

 <a href="https://www.veeprhopharma.com/amoxicillin-ep-impurity-d-cas-no-68728-47-2.php" target="_blank" title="Amoxicillin Impurity">Amoxicillin Related Compound D/Amoxicillin EP Impurity D</a>

(4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]carboxymethyl]-5,5-dimethylthiazolidine-4-carboxylic Acid Sodium Salt (Penicilloic Acids of Amoxicillin Sodium Salt)

Catalogue No : VL1970002

CAS No : 68728-47-2

<a href="https://www.veeprhopharma.com/amoxicillin-ep-impurity-f-cas-no-126247-63-0.php" target="_blank" title="Amoxicillin Impurity">Amoxicillin Related Compound F/Amoxicillin EP Impurity F</a>

3-(4-hydroxyphenyl)pyrazin-2-ol

Catalogue No : VL1970006

CAS No : 126247-63-0

Amoxicillin EP Impurity I / Amoxicillin USP Related Compound I
Amoxicillin EP Impurity I / Amoxicillin USP Related Compound I

(2R)-2-Amino-2-(4-hydroxyphenyl)acetic acid

Catalogue No : VL1970009

CAS No : 22818-40-2

<a href="https://www.veeprhopharma.com/amoxicillin-ep-impurity-g-cas-no-188112-75-6.php" target="_blank" title="Amoxicillin Impurity">Amoxicillin Related Compound G/Amoxicillin EP Impurity G</a>

(2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ;

Catalogue No : VL1970007

CAS No : 188112-75-6

Amoxicillin Related Compound H/ Amoxicillin EP Impurity H
Amoxicillin Related Compound H/ Amoxicillin EP Impurity H

(2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-(4-hydroxyphenyl)acetic acid

Catalogue No : VL1970008

CAS No : 205826-86-4

Amoxicillin Related Compound J/ Amoxicillin EP Impurity J
Amoxicillin Related Compound J/ Amoxicillin EP Impurity J

(2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-(4-hydroxyphenyl)acetic acid

Catalogue No : VL1970010

CAS No : 205826-86-4

Amoxicillin Related Compound E/ Amoxicillin EP E Impurity
Amoxicillin Related Compound E/ Amoxicillin EP E Impurity

(4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid

Catalogue No : VL1970005

CAS No : 1356020-01-3

Amoxicillin Related Compound D & E Mixture
Amoxicillin Related Compound D & E Mixture

(2-((2-amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid isomers)

Catalogue No : VL1970012

CAS No : N/A

Amoxicillin EP Impurity L / Amoxicillin Related Compound L
Amoxicillin EP Impurity L / Amoxicillin Related Compound L

(2S,5R,6R)-6-[[(2S,5R,6R)-6-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Catalogue No : VL1970011

CAS No : 1789703-32-7

Amphotericin Impurity B
Amphotericin Impurity B

17R,18S,19E,21E,23E,25E,27E,29E,31E,33R,35S,36R,37S)-33-(((2R,3S,4S,5S,6R)-4-amino-3,5-dihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,9,11,17,37-heptahydroxy-1-methoxy

Catalogue No : VL3210001

CAS No : N/A

Anagrelide Trichloro derivative
Anagrelide Trichloro derivative

6,7,8-Trichloro-1,5-dihydroimidazo[2,1-b]quinazolin-2(3H)-one Molecular Weight : 290.53 g/mol Molecular Formula : C10H6Cl3N3O Sr. No. Test Results Data ref. 1 Appearance Solid Powder --------- 2 Purity by HPLC > 95.00% Chromatogram attached 3 Mass Conform Report attached 4 1H NMR

Catalogue No : VL2810005

CAS No : 1092352-99-2

Anagrelide Open ring methyl ester
Anagrelide Open ring methyl ester

Methyl 2-(5,6 dichloro-2-imino-1,2-dihydroquinazolin-3(4H )-yl)acetate

Catalogue No : VL2810004

CAS No : 752151-24-9

Anagrelide Impurity C
Anagrelide Impurity C

2-Amino-5,6-dichloro-3(4H)-quinazoline Acetic Acid Ethyl Ester Hydrobromide

Catalogue No : VL2810003

CAS No : N/A

Anagrelide USP Related Compound B
Anagrelide USP Related Compound B

2-Amino-5,6-dichloro-3(4H)-quinazoline Acetic Acid

Catalogue No : VL2810002

CAS No : N/A

Anagrelide Related Compound A
Anagrelide Related Compound A

N-[(6-amino-2,3-dichlorophenyl)methyl]glycine Ethyl Ester Hydrochloride

Catalogue No : VL2810001

CAS No : N/A

ANAMICA(O-FLUORO NITROBENZENE)
ANAMICA(O-FLUORO NITROBENZENE)

1-Fluoro-2-nitrobenzene

Catalogue No : VL246001

CAS No : 1493-27-2

Anastrozole Diamide Impurity
Anastrozole Diamide Impurity

α,α,α’,α’-Tetramethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1,3-benzenediacetamide

Catalogue No : VL2490003

CAS No : 120512-04-1

Anastrozole Monoamide Mononitrile Impurity
Anastrozole Monoamide Mononitrile Impurity

2-(3-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2-cyanopropan-2-yl)phenyl)-2-methylpropanamide

Catalogue No : VL2490002

CAS No : 120512-03-0

Anastrozole Related Compound B / Anastrozole EP Impurity A
Anastrozole Related Compound B / Anastrozole EP Impurity A

2-[3-(1-Cyanoethyl)-5-(1H,1,2,4-triazole-1-ylmethyl)phenyl]-2-methylpropionitrile

Catalogue No : VL2490001

CAS No : 1215780-15-6

Anastrozole Diacid
Anastrozole Diacid

2,2’-(5-((1H-1,2,4-Triazol-1-yl)methyl)-1,3-phenylene)bis(2-methylpropanoic Acid)

Catalogue No : VL2490004

CAS No : 1338800-81-9

Apixaban Carboxylic Acid Impurity
Apixaban Carboxylic Acid Impurity

4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxo-1- piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid

Catalogue No : VL3170001

CAS No : 503614-92-4

Aprepitant Related Compound A
Aprepitant Related Compound A

3-[[(2R,3R)-2-[(R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluoro phenyl)morpholino]methyl]-1H-1,2,4-triazol-5(4H)-one

Catalogue No : VL1110001

CAS No : 1148113-53-4

Aprepitant Related Compound B
Aprepitant Related Compound B

3-[[(2R,3R)-2-[(R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluoro phenyl)morpholino]methyl]-1H-1,2,4-triazol-5(4H)-one

Catalogue No : VL1110002

CAS No : 172822-29-6

Aprepitant EP Impurity A / Desfluoro Aprepitant
Aprepitant EP Impurity A / Desfluoro Aprepitant

5-[[(2R,3S)-2-[(1R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-phenyl-4-morpholinyl]methyl]-1,2-dihydro-3H-1,2,4-triazol-3-one

Catalogue No : VL1110003

CAS No : 170729-76-7

Fosaprepitant Dimeglumine/ Aprepitant Impurity C
Fosaprepitant Dimeglumine/ Aprepitant Impurity C

[3-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1H-1,2,4-triazol-1-yl]phosphonate 1-Deoxy-1-(methylamino)-D-glucitol

Catalogue No : VL1110005

CAS No : 265121-04-8

Aripiprazole USP Related Compound G / Aripiprazole EP Impurity E / Dehydro Aripiprazole
Aripiprazole USP Related Compound G / Aripiprazole EP Impurity E / Dehydro Aripiprazole

7-[4-[4-(2,3-Dichlorophenyl)-1-piperazinyl]butoxy]-2(1H)-Quinolinone

Catalogue No : VL197007

CAS No : 129722-25-4

Aripiprazole EP Impurity B / Aripiprazole USP Related Compound C
Aripiprazole EP Impurity B / Aripiprazole USP Related Compound C

1-(2,3-Dichlorophenyl)piperazine Hydrochloride

Catalogue No : VL197013

CAS No : 119532-26-2

Aripiprazole EP Impurity C
Aripiprazole EP Impurity C

7-[4-[4-(2-Chlorophenyl)-1-piperazinyl]butoxy]-3,4-dihydro-2(1H)-quinolinone

Catalogue No : VL197012

CAS No : 203395-81-7

Aripiprazole USP Related Compound B
Aripiprazole USP Related Compound B

3,4-Dihydro-7-(4-hydroxybutoxy)-2(1H)-quinolinone

Catalogue No : VL197014

CAS No : 889443-20-3

Aripiprazole Related Compound F / Aripiprazole EP Impurity F
Aripiprazole Related Compound F / Aripiprazole EP Impurity F

7-[4-[4-(2,3-Dichlorophenyl)-1-oxido-1-piperazinyl]butoxy]-3,4-dihydro-2(1H)-quinolinone

Catalogue No : VL197008

CAS No : 573691-09-5

Aripiprazole USP Related Compound H
Aripiprazole USP Related Compound H

(7-(4-{4-[4-(2,3-Dichlorophenyl)piperazin-1-yl]butoxy}butoxy)-3,4-dihydroquinolin-2(1H)-one)

Catalogue No : VL197015

CAS No : 1796928-63-6

Aripiprazole Dimer (Aripiprazole 4,4’- Dimer)
Aripiprazole Dimer (Aripiprazole 4,4’- Dimer)

1,1’ -(ethane-1,1-diyl)bis(2,3-dichloro-4-{4-[3,4-dihydroquinolin-2(1H)-one-7-yloxybutyl]piperazin-1-yl}benzene)

Catalogue No : VL197001

CAS No : 1797986-18-5

Dehydro Aripiprazole / Aripiprazole USP Related Compound G / Aripiprazole EP Impurity E
Dehydro Aripiprazole / Aripiprazole USP Related Compound G / Aripiprazole EP Impurity E

7-[4-[4-(2,3-Dichlorophenyl)-1-piperazinyl]butoxy]-2(1H)- quinolinone;

Catalogue No : VL197007

CAS No : 129722-25-4

Aripiprazole Chlorobutoxy Quinoline (USP)
Aripiprazole Chlorobutoxy Quinoline (USP)

7-(4-Chlorobutoxy)-3,4-dihydro-2(1H)-quinolinone

Catalogue No : VL197018

CAS No : 120004-79-7

<a href="https://www.veeprhopharma.com/aripiprazole-ep-impurity-a-cas-no-22246-18-0.php" target="_blank">Aripiprazole EP Impurity A</a>

7-Hydroxy-3,4-dihydroquinolin-2(1H)-one

Catalogue No : VL197010

CAS No : 22246-18-0

Aripiprazole Diquinoline Butanediol Impurity
Aripiprazole Diquinoline Butanediol Impurity

1,4-bis[(3,4-Dihydro-2(1H)-quinolinone-7-yl)oxy]-butane

Catalogue No : VL197011

CAS No : 882880-12-8

Aripiprazole Iodobutoxyquinoline Impurity
Aripiprazole Iodobutoxyquinoline Impurity

7-(4-Iodobutoxy)-3,4-dihydroquinolin-2-one

Catalogue No : VL197021

CAS No : 952308-47-3

<a href="https://www.veeprhopharma.com/aripiprazole-ep-impurity-d-cas-no-203395-82-8.php" target="_blank">Aripiprazole EP Impurity D</a>

7-[4-[4-(3-Chlorophenyl)-1-piperazinyl]butoxy]-3,4-dihydro- 2(1H)-quinolinone

Catalogue No : VL197009

CAS No : 203395-82-8

Aripiprazole Butanoic Acid Impurity
Aripiprazole Butanoic Acid Impurity

4-[(1,2,3,4-Tetrahydro-2-oxo-7-quinolinyl)oxy]-butanoic Acid

Catalogue No : VL197022

CAS No : 58899-27-7

Aripiprazole Bromobutoxyquinoline Impurity
Aripiprazole Bromobutoxyquinoline Impurity

7-(4-Bromobutoxy)-3,4-dihydro-2(1H)-quinolinone

Catalogue No : VL197020

CAS No : 129722-34-5

N,N-bis(2-bromoethyl)amine HCl
N,N-bis(2-bromoethyl)amine HCl

N,N-bis(2-bromoethyl)amine HCl

Catalogue No : VL197002

CAS No : 821-48-7

7-(4-chlorobutoxy)quinolin-2(1H)-one/ DH-CLDCS Impurity
7-(4-chlorobutoxy)quinolin-2(1H)-one/ DH-CLDCS Impurity

7-(4-chlorobutoxy)quinolin-2(1H)-one

Catalogue No : VL197004

CAS No : 120004-79-7

2,7-Dihydroxy quinoline / Aripiprazile quinoline Impurity
2,7-Dihydroxy quinoline / Aripiprazile quinoline Impurity

2,7-Dihydroxyquinoline

Catalogue No : VL197003

CAS No : 86-95-3

Artemether EP Impurity A
Artemether EP Impurity A

(2S,3R,6RS)-2-(3-Oxobutyl)-3-methyl-6-[(R)-2-propanal]cyclohexanone

Catalogue No : VL4140001

CAS No : 1093625-96-7

Artemether EP Impurity C
Artemether EP Impurity C

(3aS,4R,6aS,7R,8S,10R,10aR)-Octahydro-8-methoxy-4,7-dimethyl-2H,10H-furo[3,2-i][2]benzopyran-10-ol 10-Acetate, ; [3aS-(3aα,4α,6aα,7β,8β,10α,10aS*)]-Octahydro-8-methoxy-4,7-dimethyl-2H,10H-furo[3,2-i][2]benzopyran-10-ol Acetate

Catalogue No : VL4140003

CAS No : 181528-64-3

Ascorbic Acid
Ascorbic Acid

(R)-5-((S)-1, 2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one

Catalogue No : VL258001

CAS No : 50-81-7

Asenapine N-Oxide Impurity
Asenapine N-Oxide Impurity

(3aR-trans)-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole 2-Oxide

Catalogue No : VL380001

CAS No : 128949-51-9

N-Desmethyl Asenapine
N-Desmethyl Asenapine

5-Chloro-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole

Catalogue No : VL380002

CAS No : 1170701-78-6

Aspartame EP Impurity A / Aspartame USP Related Compound A
Aspartame EP Impurity A / Aspartame USP Related Compound A

2-(5-Benzyl-3,6-dioxopiperazin-2-yl)acetic acid ; (2S,5S)-5-Benzyl-3,6-dioxo-2-piperazineacetic Acid

Catalogue No : VL280003

CAS No : 5262-10-2

Aspartame Impurity B (L-aspartyl-L-phenylalanine)
Aspartame Impurity B (L-aspartyl-L-phenylalanine)

L-aspartyl-L-phenylalanine

Catalogue No : VL280001

CAS No : 13433-09-5

Salicyl Salicylic Acid / Aspirin EP Impurity E
Salicyl Salicylic Acid / Aspirin EP Impurity E

2-[(2-hydroxybenzoyl)oxy]benzoic acid (Salicylsalicylic acid)

Catalogue No : VL530004

CAS No : 552-94-3

Aspirin Impurity B / 4-hydroxyisopthalic acid
Aspirin Impurity B / 4-hydroxyisopthalic acid

4-hydroxybenze 1,3-dicarboxylic acid

Catalogue No : VL530005

CAS No : 636-46-4

Aspirin Impurity C / Salicylic acid
Aspirin Impurity C / Salicylic acid

2-Hydroxybenzoic Acid OR 2-Carboxyphenol

Catalogue No : VL530006

CAS No : 69-72-7

4-hydroxybenzoic acid / Aspirin EP Impurity A
4-hydroxybenzoic acid / Aspirin EP Impurity A

Para-Hydroxybenzoic acid OR 4-Hydroxybenzoic Acid

Catalogue No : VL530001

CAS No : 99-96-7

Acetylsalicylic Anhydride (Aspirin Impurity F)
Acetylsalicylic Anhydride (Aspirin Impurity F)

Acetylsalicylic Anhydride OR (2-[2-Acetyl oxy Benzoic Anhydride)

Catalogue No : VL530002

CAS No : 1466-82-6

Acetylsalicylsalicylic Acid / Aspirin EP Impurity D
Acetylsalicylsalicylic Acid / Aspirin EP Impurity D

Acetylsalicylsalicylic Acid OR (2-[2-acetylhydroxybenzoyl] oxy] benzoic Acid)

Catalogue No : VL530003

CAS No : 530-75-6

Atazanavir Impurity B
Atazanavir Impurity B

2-[[4-(2-Pyridinyl)phenyl]methyl]hydrazine carboxylic Acid 1,1-Dimethylethyl Ester;N-1-Boc-N-2-[4-(pyridin-2-yl)benzylidene]hydrazine

Catalogue No : VL2230001

CAS No : 198904-85-7

Atazanavir Impurity C
Atazanavir Impurity C

N-[(1S)-1-[(2R)-2-Oxiranyl]-2-phenylethyl]-carbamic Acid 1,1-Dimethylethyl Ester; (2R,3S)-(+)-3-tert-Butoxycarbonylamino-1,2-epoxy-4-phenylbutane

Catalogue No : VL2230002

CAS No : VL2230002

Atazanavir Pyridinyl Benzoic acid Impurity
Atazanavir Pyridinyl Benzoic acid Impurity

4-(2-Pyridyl)benzoic Acid; 4-(Pyridin-2-yl)benzoic Acid

Catalogue No : VL2230010

CAS No : 4385-62-0

Atenolol EP Impurity A
Atenolol EP Impurity A

2-(4-Hydroxyphenyl)acetamide

Catalogue No : VL500004

CAS No : 17194-82-0

Atenolol EP Impurity B
Atenolol EP Impurity B

2-[4-[(2RS)-2,3-dihydroxypropoxy]phenyl]acetamide

Catalogue No : VL500005

CAS No : 61698-76-8

Atenolol EP Impurity C
Atenolol EP Impurity C

2-[4-[[(2RS)-oxiran-2-yl]methoxy]phenyl]acetamide

Catalogue No : VL500006

CAS No : 29122-69-8

Atenolol EP Impurity D
Atenolol EP Impurity D

2-[4-[(2RS)-3-chloro-2-hydroxypropoxy]phenyl]acetamide

Catalogue No : VL500007

CAS No : 115538-83-5

Atenolol EP Impurity E
Atenolol EP Impurity E

2,2’-[2-Hydroxypropan-1,3-diylbis(oxy-4,1-phenylene)]diacetamide

Catalogue No : VL500008

CAS No : 141650-31-9

Atenolol EP Impurity G
Atenolol EP Impurity G

2-[4-[(2RS)-2-Hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]acetic acid sodium salt

Catalogue No : VL500009

CAS No : 56392-14-4

Atenolol EP Impurity I
Atenolol EP Impurity I

2-(4-(3-(Ethylamino)-2-hydroxypropoxy)phenyl)acetamide

Catalogue No : VL500010

CAS No : 1797116-92-7

Atenolol Impurity J
Atenolol Impurity J

2[4-(3-Amino-2-hydroxy-propoxy)-phenyl]-acetamide; 2-[4-[(2RS)-3-Amino-2-hydroxypropoxy]phenyl]acetamide;

Catalogue No : VL500011

CAS No : 81346-71-6

Tertiary-Amine Impurity / Atenolol Tertiary Amine Impurity / Atenolol EP Impurity F
Tertiary-Amine Impurity / Atenolol Tertiary Amine Impurity / Atenolol EP Impurity F

2,2’ -((((isopropylazanediyl)bis(2-hydroxypropane-3,1-diyl))bis(oxy))bis(4,1- phenylene))diacetamide

Catalogue No : VL500003

CAS No : 87619-83-8

Atenolol Bis Ether Impurity
Atenolol Bis Ether Impurity

2-(4-(3-(4-(2-amino-2-oxoethyl)phenoxy)-2-hydroxypropoxy)phenyl)acetic acid

Catalogue No : VL500001

CAS No : 141650-31-9

Blocker Acid impurity / Atenolol Blocker Acid Impurity
Blocker Acid impurity / Atenolol Blocker Acid Impurity

2-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)acetic acid

Catalogue No : VL500002

CAS No : 56392-14-4

Atenolol EP Impurity H / Atenolol USP Related Compound B
Atenolol EP Impurity H / Atenolol USP Related Compound B

2-[4-[(2RS)-2-hydroxy-3-[(1-methylethyl)amino]propoxy] phenyl]acetonitrile

Catalogue No : VL500012

CAS No : 29277-73-4

Atomoxetine Related Compound A
Atomoxetine Related Compound A

4-(2-Pyridyl)benzoic Acid; 4-(Pyridin-2-yl)benzoic Acid

Catalogue No : VL266003

CAS No : 42142-52-9

S-Mandelic Acid Impurity
S-Mandelic Acid Impurity

(S)-2-hydroxy-2-phenylacetic acid.

Catalogue No : VL266001

CAS No : 17199-29-0

Atomoxetine-N-Amide Impurity
Atomoxetine-N-Amide Impurity

(R)-1-methyl-1-(3-phenyl-3-(o-tolyloxy) propyl)urea

Catalogue No : VL266004

CAS No : N/A

Atorvastatin Ethyl Ester impurity
Atorvastatin Ethyl Ester impurity

(βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Ethyl Ester

Catalogue No : VL10024

CAS No : 1146977-93-6

Atorvastatin Oxirane impurity
Atorvastatin Oxirane impurity

3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyloxirane-2-carboxylic Acid Phenylamide

Catalogue No : VL10028

CAS No : 1035205-25-4

Atorvastatin Lactam Lactone/Atorvastatin Pyrrolidone Lactone
Atorvastatin Lactam Lactone/Atorvastatin Pyrrolidone Lactone

5-(4-Fluorophenyl)-1-{2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2Hpyran- 2-yl]ethyl}-3-isopropyl-2-oxo-N,4-diphenyl-2,3-dihydro-1Hpyrrole- 3-carboxamide

Catalogue No : VL10031

CAS No : 906552-19-0

Atorvastatin Related Compound C / Difluoro Impurity
Atorvastatin Related Compound C / Difluoro Impurity

(3R,5R)-7-[3-(phenylcarbomoyl)-4,5-bis(4-fluorophenyl)-2-isopropyl-1H-pyrrol-1- yl]-3,5-dihyroxyheptanoic acid, calcium salt.

Catalogue No : VL10005

CAS No : 693793-53-2

Atorvastatin EP Impurity E / Atorvastatin Related Compound E/3S 5S Isomer
Atorvastatin EP Impurity E / Atorvastatin Related Compound E/3S 5S Isomer

(3S,5S)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1Hpyrrol- 1-yl]-3,5-dihyroxyheptanoic acid, calcium salt.

Catalogue No : VL10006

CAS No : 501121-34-2

Atorvastatin Epoxy Tetrahydrofuran Analog
Atorvastatin Epoxy Tetrahydrofuran Analog

4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6-dioxabicyclo[3.1.0]hexane-1-carboxamide

Catalogue No : VL10026

CAS No : 873950-19-7

Atorvastatin Impurity F / Diamino Impurity
Atorvastatin Impurity F / Diamino Impurity

(3R,5R)-7-[[(3R,5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl]amino]-3,5-dihydroxy-heptanoic acid. Calcium salt.

Catalogue No : VL10011

CAS No : 887196-24-9

Atorvastatin Pyrrolidone Analog (USP) / Atorvastatin Lactam
Atorvastatin Pyrrolidone Analog (USP) / Atorvastatin Lactam

(3R,5R)-7-[5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2- oxo- 4-phenyl-3-[(phenylamino) carbonyl]-1H-pyrrol-1-yl]-3,5- dihydroxy-heptanoic acid Sodium salt

Catalogue No : VL10019

CAS No : 148217-40-7

Atorvastatin Related compound D / Epoxide Impurity
Atorvastatin Related compound D / Epoxide Impurity

Atorvastatin epoxide impurity OR 3-(4-fluorophenyl)-2-isobutyryl-3-phenyloxirane- 2-carboxylic acid phenylamide

Catalogue No : VL10003

CAS No : 148146-51-4

Atorvastatin -3-O-Methyl (Atorvastatin Impurity G)
Atorvastatin -3-O-Methyl (Atorvastatin Impurity G)

2-(4-Fluorophenyl)-δ-hydroxy-β-methoxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1- heptanoic Acid Calcium Salt

Catalogue No : VL10010

CAS No : 887324-53-0

Atorvastatin Lactone / Atorvastatin USP Related compound H / Atorvastatin EP Impurity H
Atorvastatin Lactone / Atorvastatin USP Related compound H / Atorvastatin EP Impurity H

5-(4-Fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide

Catalogue No : VL10002

CAS No : 125995-03-1

Atorvastatin Related Compound I / Acetonide Impurity
Atorvastatin Related Compound I / Acetonide Impurity

Tert-Butyl 2-((4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Catalogue No : VL10012

CAS No : 125971-95-1

Desfluoro Atorvastatin (Atorvastatin Related Compound A)
Desfluoro Atorvastatin (Atorvastatin Related Compound A)

(3R, 5R)-7-[3-(phenylcarbamoyl)-2-isopropyl-4,5- diphenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt)

Catalogue No : VL10004

CAS No : 433289-84-0

Atorvastatin FX1 Impurity / Atorvastatin Cyclic Fluorophenyl (Cyclo FP) / Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy analog
Atorvastatin FX1 Impurity / Atorvastatin Cyclic Fluorophenyl (Cyclo FP) / Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy analog

4-(1b-(4-fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a- (phenylcarbamoyl)hexahydro-1aH-oxireno[2’,3’:3,4]pyrrolo[2,1- b][1,3]oxazin-3-yl)-3-hydroxybutanoic acid

Catalogue No : VL10021

CAS No : 1315629-79-8

Atorvastatin Epoxy THF Analog
Atorvastatin Epoxy THF Analog

4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6- dioxabcclo [3.1.0]hexane-1carboxamide.

Catalogue No : VL10030

CAS No : 873950-19-7

Atorvastatin Diepoxide Calcium Salt
Atorvastatin Diepoxide Calcium Salt

7-[N-Phenyl-2-[4-(4-fluorophenyl]-6-methylethyl]-3,7-dioxa-5-azatricyclo [4.1.0.02,4]-4-[{phenylamino}carboxamiide]-(3R,5R)-3,5-dihydroxyheptanoic Acid Calcium Salt

Catalogue No : VL10014

CAS No : 433289-84-0

4-Hydroxy Atorvastatin Monosodium Salt
4-Hydroxy Atorvastatin Monosodium Salt

Sodium (3R,5R)-7-(2-(4-fluorophenyl)-4-((4-hydroxyphenH-pyrrol-1-yl)-3,5- dihydroxyheptanoate

Catalogue No : VL10015

CAS No : 163217-71-8

3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone
3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone

1-[2-[(2S)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1H-pyrrole-3- carboxamide

Catalogue No : VL10034

CAS No : 442851-50-5

Atorvastatin 3-Deoxy-Hept-2-Enoic Acid
Atorvastatin 3-Deoxy-Hept-2-Enoic Acid

(phenylcarbamoyl)-1H- pyrrol-1-yl]-5-hydroxyhept-2-enoic acid calcium salt

Catalogue No : VL10018

CAS No : 1105067-93-3

Atorvastatin 2,3 Anhydro lactone / 3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone
Atorvastatin 2,3 Anhydro lactone / 3-Dehydroxy 2,3-Dehydro Atorvastatin Lactone

1-[2-[(2S)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1H-pyrrole-3-carboxamide

Catalogue No : VL10034

CAS No : 442851-50-5

Atorvastatin Acetonide Methyl Ester Impurity
Atorvastatin Acetonide Methyl Ester Impurity

(4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino) carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid methyl ester

Catalogue No : VL10037

CAS No : 1553049-81-6

as
as

assa

Catalogue No : as

CAS No : as

Atorvastatin FXA Impurity / Atorvastatin 6-Hydroxy analog / Atorvastatin Cyclo IP
Atorvastatin FXA Impurity / Atorvastatin 6-Hydroxy analog / Atorvastatin Cyclo IP

4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H-pyrrolo[2,1- b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid

Catalogue No : VL10023

CAS No : 1316291-19-6

Atorvastatin Methyl Ester / Diol methyl ester impurity
Atorvastatin Methyl Ester / Diol methyl ester impurity

(3S,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid methyl ester

Catalogue No : VL10009

CAS No : 345891-62-5

Atorvastatin Related Compound B/ (3S, 5R isomer)
Atorvastatin Related Compound B/ (3S, 5R isomer)

(3S,5R)-7-[3-(phenylcarbomoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1Hpyrrol- 1-yl]-3,5-dihyroxyheptanoicacid, calcium salt.

Catalogue No : VL10001

CAS No : 887196-25-0

Atorvastatin Butyl Ester Impurity / Atorvastatin tert-Butyl Ester
Atorvastatin Butyl Ester Impurity / Atorvastatin tert-Butyl Ester

5-(4-Fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1-[2-[(2R,4R)-tetrahydro-4- hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide.

Catalogue No : VL10013

CAS No : 134395-00-9

Oxo Atorvastatin Impurity
Oxo Atorvastatin Impurity

4-[6-(4-Fluoro-phenyl)-6-hydroxy-1b-isopropyl-6a-phenyl-1a-phenylcarbamoylhexahydro- 1,2-dioxa-5a-aza-cyclo-propa[a]inden-3-yl]-3-(R)-hydroxy-butyric acid.

Catalogue No : VL10007

CAS No : 1391052-00-8

Atovaquone Indene Isomer
Atovaquone Indene Isomer

2-((1r,4r)-4-(4-chlorophenyl)cyclohexyl)-1-oxo-1H-indene-3-carboxylic acid

Catalogue No : VL1370001

CAS No : N/A

Didehydro Atovaquone / Atovaquone EP Impurity C
Didehydro Atovaquone / Atovaquone EP Impurity C

2-[(1RS)-4-(4-Chlorophenyl)cyclohex-3-en-1-yl]-3hydroxynaphthalene-1,4-dione

Catalogue No : VL1370004

CAS No : 1809464-27-4

6-Iodo Indazole
6-Iodo Indazole

6-Iodo-1H-indazole

Catalogue No : VL4110001

CAS No : 261953-36-0

Axitinib Impurity 29
Axitinib Impurity 29

3,6-DIIODO (1H) INDAZOLE

Catalogue No : VL4110002

CAS No : 319472-78-1

Azelastine EP Impurity A
Azelastine EP Impurity A

Benzoic Acid Hydrazide; 4-Benzoic Hydrazide; Benzenecarboxylic Acid Hydrazide; Benzhydrazide; Benzohydrazide; Benzoic Hydrazide; Benzoylhydrazine;

Catalogue No : VL1100001

CAS No : 613-94-5

Azelastine EP Impurity B
Azelastine EP Impurity B

Benzoic Acid 2-(Hexahydro-1-methyl-1H-azepin-4-yl)hydrazide Hydrochloride;N�-(1-Methylazepan-4-yl)benzohydrazine

Catalogue No : VL1100002

CAS No : 117078-69-0

Azelastine EP Impurity C
Azelastine EP Impurity C

2-[2-(4-Chlorophenyl)acetyl]benzoic Acid; 2-[(4-Chlorophenyl)acetyl]benzoic Acid

Catalogue No : VL1100003

CAS No : 53242-76-5

Azelastine EP Impurity D
Azelastine EP Impurity D

4-(4-chlorobenzyl)phthalazin-1(2H)-one

Catalogue No : VL1100004

CAS No : 53242-89-9

Azelastine EP Impurity E
Azelastine EP Impurity E

3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one

Catalogue No : VL1100005

CAS No : 20526-97-0

Azilsartan Impurity-1 (ARA-3) / Azilsartan K Medoxomil Impurity -1
Azilsartan Impurity-1 (ARA-3) / Azilsartan K Medoxomil Impurity -1

2-ethoxy-1-((2’ -(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1’ -biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylic acid

Catalogue No : VL252001

CAS No : N/A

Azilsartan K Medoxomil Impurity-6 (Desethyl Impurity)
Azilsartan K Medoxomil Impurity-6 (Desethyl Impurity)

(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-hydroxy-1-((2’ -(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1’ -biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate

Catalogue No : VL252006

CAS No : N/A

Azilsartan K Medoxomil Impurity-8 (Diacetyl Impurity)
Azilsartan K Medoxomil Impurity-8 (Diacetyl Impurity)

Diacetyl

Catalogue No : VL252008

CAS No : N/A

Azilsartan K Medoxomil Impurity-7 (2-EHA Impurity)
Azilsartan K Medoxomil Impurity-7 (2-EHA Impurity)

2-ethylhexanoic acid

Catalogue No : VL252007

CAS No : N/A

Azilsartan K Medoxomil Impurity 4
Azilsartan K Medoxomil Impurity 4

isopropyl 2-ethoxy-1-((2’ -(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1’ -biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate

Catalogue No : VL252004

CAS No : N/A

Azilsartan K Medoxomil Impurity 2 (Ethyl Ester)
Azilsartan K Medoxomil Impurity 2 (Ethyl Ester)

ethyl 2-ethoxy-1-((2’ -(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1’ -biphenyl]-4- yl)methyl)-1H-benzo[d]imidazole-7-carboxylate

Catalogue No : VL252002

CAS No : N/A

Azilsartan K Impurity-5 (Bis Impurity) / Azilsartan Medoxomil Impurity 5
Azilsartan K Impurity-5 (Bis Impurity) / Azilsartan Medoxomil Impurity 5

(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-ethoxy-1-((2’ -(4-((5-methyl-2-oxo-1,3-dioxol-4-yl)methyl)-5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1’ -biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate

Catalogue No : VL252005

CAS No : N/A

Azilsartan K Medoxomil Impurity 3 (Methyl Ester)
Azilsartan K Medoxomil Impurity 3 (Methyl Ester)

methyl 2-ethoxy-1-((2’ -(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1’ -biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate

Catalogue No : VL252003

CAS No : N/A

Azithromycin Impurity B / 3- Deoxy Azithromycin
Azithromycin Impurity B / 3- Deoxy Azithromycin

3-deoxy azithromycin

Catalogue No : VL186008

CAS No : 307974-61-4

Azithromycin EP Impurity D
Azithromycin EP Impurity D

14-Demethyl-14-(hydroxymethyl)azithromycin

Catalogue No : VL1860018

CAS No : 612069-26-8

Azithromycin EP Impurity K
Azithromycin EP Impurity K

C14,1″-Epoxy Azithromycin

Catalogue No : VL1860017

CAS No : 612534-95-9

Azithromycin N-Oxide (Azithromycin Impurity L)
Azithromycin N-Oxide (Azithromycin Impurity L)

Azithromycin N-Oxide

Catalogue No : VL186001


Azithromycin Impurity J / Desosaminyl Azithromycin
Azithromycin Impurity J / Desosaminyl Azithromycin

Desosaminyl Azithromycin

Catalogue No : VL186002


Azithromycin Impurity I / 3-N- Demethyl Azithromycin
Azithromycin Impurity I / 3-N- Demethyl Azithromycin

3’-N-demethylazithromycin

Catalogue No : VL186003


Azithromycin Impurity F / Azithromycin Related Compound F
Azithromycin Impurity F / Azithromycin Related Compound  F

3’ -N-demethyl-3’ -N-formylazithromycin

Catalogue No : VL186004


Azithromycin Impurity M
Azithromycin Impurity M

3’-N,N-didesmethyl-N-formyl-azithromycin

Catalogue No : VL186005


Azithromycin Impurity N
Azithromycin Impurity N

3’-N,N-didesmethyl-3’-oxo-azithromycin

Catalogue No : VL186006

CAS No : 612069-25-7

Azithromycin Impurity E
Azithromycin Impurity E

3-(N,N-didemethyl)azithromycin, aminoazithromycin

Catalogue No : VL186007

CAS No : 612069-27-9

Azithromycin Impurity O / 2- Des Ethyl Z-Propyl Azithromycin
Azithromycin Impurity O / 2- Des Ethyl Z-Propyl Azithromycin

(2-desethyl-2-propylazithromycin)

Catalogue No : VL1860010


Azithromycin Impurity G
Azithromycin Impurity G

3'-N-Demethyl-3'-N-[(4-methylphenyl) sulfonyl] azithromycin

Catalogue No : VL1860011


Azithromycin Impurity A / Azaetrythromycin Impurity A
Azithromycin Impurity A / Azaetrythromycin Impurity A

6-demethyl Azithromycin

Catalogue No : VL1860013


Azithromycin Impurity H / Azithromycin Related Compound H
Azithromycin Impurity H / Azithromycin Related Compound H

3’ -N-{[4-(Acetylamino)phenyl]sulfonyl}-3’ -demethylazithromycin

Catalogue No : VL1860012


Azithromycin Impurity P (RRT 0.92)
Azithromycin Impurity P (RRT 0.92)


Catalogue No : VL1860015


Azithromycin Impurity C (3”-O-demethylazithromycin)
Azithromycin Impurity C (3”-O-demethylazithromycin)

3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3’,3’-didemethylazithromycin

Catalogue No : VL186009


Azithromycin Impurity 1
Azithromycin Impurity 1

3’ -N-{[4-(Acetylamino)phenyl]sulfonyl}-3’ ,3’ -didemethylazithromycin

Catalogue No : VL1860014