Ofloxacin
Ofloxacin Impurity D / Ofloxacin related compound D
(RS)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalogue No : VL205006Ofloxacin EP Impurity B
(RS)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-2,3-dihydro-7H-pyrido-[1,2,3-
de]-1,4-benzoxazin-7-one
Catalogue No : VL205001Ofloxacin EP Impurity E
9-Fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-
benzoxazine-6-carboxylic Acid
Catalogue No : VL205002Ofloxacin EP Imurity C
(RS)-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Catalogue No : VL205003Ofloxacin Impurity-F / Ofloxacin N-oxide
4-[(RS)-6-carboxy-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-
pyrido[1,2,3-de]-1,4-benzoxazine-10-yl]-1-methylpiperazine-1-
oxide.
Catalogue No : VL205004 Ofloxacin USP Impurity-B
(9,10-Difluoro -3-methyl-7-oxo-2,3-dihydro -7H-pyrido[1,2,3-
de]- 1,4- benzoxazine-6-carboxylic Acid)
Catalogue No : VL205008 N-Demethyl Olanzapine/Desmethylolanzapine
2-methyl-4-(1-piperazinyl)-10H-Thieno[2,3-b][1,5]benzodiazepine
Catalogue No : VL109020 Olanazpine LIP 1 acetyl Impurity
2-Methyl-4-(4-acetyl-1-piperazinyl)-10H-thieno-(2,3-b) [1,5]-
benzodiazepine
Catalogue No : VL109012 Olanazpine LIP 1 Dimer Impurity
Piperazine1,4bis-4-yl-(2-methyl)-10H-thieno-(2,3-b) [1,5]-
benzodiazepine
Catalogue No : VL109014 Olanzapine Thio lactum
(1Z)-1-[4,5-Dihydro-2-(4-methyl-1-piperazinyl)-4-thioxo-3H-1,5-benzodiazepin-3-ylidene]-2-propanone
Catalogue No : VL109007Olanazpine PIN-3 Impurity
4-Amino-2-methyl-10H-thieno-[2, 3-b][1, 5]-benzodiazepine hydrochloride
Catalogue No : VL109013 Olanzapine F-PIN Impurity
2-Methyl-4-(4-formyl-1-piperazinyl)-10Hthieno-(2,3-b)[1,5]-
benzodiazepine
Catalogue No : VL109011 Olanzapine lactam
(3Z)-1,3-Dihydro-4-(4-methyl-1-piperazinyl)-3-(2-oxopropylidene)-2H-1,5-benzodiazepin-2-one
Catalogue No : VL109008Olanzapine N-Oxide
2-Methyl-4-(4-methylpiperazin-1-yl)-10H-benzo[b] thieno[2,3-e][1,4]diazepine 4’-N-oxide
Catalogue No : VL109009Olanzapine Impurity A / Olanzapine Related Compound A
5-Methyl-2-((2-nitrophenyl)amino)-3-thiophenecarbonitrile
Catalogue No : VL109001Olanzapine Related Compound C / Olanzapine EP Impurity C
1(Chloromethyl)1methyl4(2methyl10Hthieno[2,b][1,5]benzodiazepin-4-yl)-piperazinium Chloride
Catalogue No : VL109003Olanzapine related compound-03
2-Methyl-4-[4-ethyl-1-piperazinyl]-10H-thieno [2,3-b][1,5]
-benzodiazepine
Catalogue No : VL109004Olanzapine related compound-07
2-Amino-5-methyl-thiophene-3-carbonitrile
Catalogue No : VL109005Olanzapine related compound-08
O-Fluronitrobenzene
Catalogue No : VL109006Olanzapine Demethyl Impurity
2-methyl-4-(1-piperazinyl)-10H-thieno-[2,3-b][1,5]benzodiazepine
Catalogue No : VL109010Olanzapine Related Compound B / Olanzapine EP Impurity B
2-methyl-5,10-dihydro-4H-benzo[b]thieno[2,3-e][1,4]diazepin-4-on
Catalogue No : VL109002Olanzapine PIN – 3(H) Impurity
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2-(2-Aminoanilino)-5-methylthiophene-3-carbonitrile; 2-(1,2-
Phenylenediamino)-5-methylthiphene-3-carbonitrile;
Catalogue No : VL109019Olmesartan Ethyl Ester
Ethyl1-((2’-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl) -4-(2-hydroxypropan-2-yl)-2-propyl-1H-imidazol-5-carboxylate
Catalogue No : VL184003Olmesartan Trityl Alcohol
triphenylmethanol
Catalogue No : VL184004Olmesartan EP Impurity C / Olmesartan Olefinc Acid
(5-methyl-2-oxo-2H-1,3-dioxol-4-yl)methyl4-(2-propen-2-yl)-2-propyl-1-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)-1H-imidazole-5-carboxylate
Catalogue No : VL184006Olmesartan EP Impurity A
4-(2-hydroxypropan-2-yl)-2-propyl-1-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)-1H-imidazole-5-carboxylic acid
Catalogue No : VL184002Olmesartan EP Impurity D / Trityl Olmesartan
((5-methyl-2-oxo-1,3-dioxol-4-yl)methyl4-(2-hydroxypropan-2-yl)-2propyl-1((2’- (1-trityl-1H-tetrazol-5-yl)biphenyl-4-yl)methyl-1H-imidazole-5-carboxylate
Catalogue No : VL184005N-alkylated Olmesartan
(5-methyl-2-oxo-1,3-dioxol-4-yl)methyl4-(2-hydroxy propan-2-yl)-1-((2’-(1-((5- methyl-2-oxo-1,3-dioxol-4-yl)methyl)-1H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-propyl-1Himidazol- 5-carboxylate
Catalogue No : VL184009Olmesartan Related Compound A
(1-{[2’-(1H-Tetrazol-5-yl)biphenyl-4-yl]methyl}-4,4-dimethyl-2-propyl-1H-furo[3,4- d]imidazol-6(4H)-one)
Catalogue No : VL184001Olmesartan Dimer Ester
4-[1-[[[4-(1-hydroxy-1-methylethyl)-2-propyl-1-[[2’(1H-tetrzol-5-yl)biphenyl-4-yl]methyl]imidazol -5-yl]carbonyl]oxy]-1-methylethyl)-2-propyl-1-[[2’-(1H-tetrzol-5-yl)biphenyl-4-yl]methyl]imidazole -5-carboxylic acid
Catalogue No : VL184007Olopatadine Amide
(11Z)-(3-(dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-N,N-dimethylacetamide
Catalogue No : VL720006 Alpha Hydroxy Olopatadine / Olopatadine Related Compound A
11-[3-(Dimethylamino) propylidene]-6, 11—dihydro-α-hydroxy dibenz[b,e]oxepin-2-acetic acid
Catalogue No : VL720001Olopatadine E-isomer
{(11E)-11-[3-(dimethylamino)propylidene]-6,11-dihydrodibenzo[b,e]oxepin-2- yl}acetic acid
Catalogue No : VL720002Omeprazole Impurity B
2-[(RS)-[(3,5-dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1 H-benzimidazole.
Catalogue No : VL112003Omeprazole Impurity I
4-methoxy-2-[[(5-methoxy-1H-benzimidazol-2-yl) sulphonyl]methyl]-3,5-dimethylpyridine 1-oxide
Catalogue No : VL112008Omeprazole Impurity H
2-[(RS)-[(4-chloro-3,5-dimethylpyridin-2-yl)methyl]sulfinyl]-5-methoxy-1H-benzimidazole
Catalogue No : VL112007Olanzapine F-PIN Impurity
2-Methyl-4-(4-formyl-1-piperazinyl)-10Hthieno-(2,3-b)[1,5]-
benzodiazepine
Catalogue No : VL109011 Omeprazole Related Compound B / Omeprazole Impurity A
5-methoxy-1H-benzimidazole-2-thiol
Catalogue No : VL112002Omeprazole Impurity F & G mixture
8-methoxy-1,3-dimethyl-12-thioxopyrido[1’,2’:3,4]imidazol[1,2-a]-benzimidazol-2-(12H)-one. Imp-G: 9-methoxy-1,3-dimethyl-12-thioxoypyrido[1’,2’:3,4]-imidazol[1,2-a]-benzimidazol-2-(12H)-one
Catalogue No : VL112006Omeprazole Chloro Compound / Omeprazole 6-Hydroxy Impurity
6-(chloromethyl)-3, 5-dimethylpyridin-2-ol
Catalogue No : VL112009Omeprazole Impurity E
5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphanyl]-1H-benzimidazole 1’ -oxide
Catalogue No : VL112005Omeprazole Related Compound A / Omeprazole Impurity D
5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphonyl]-1Hbenzimidazole
Catalogue No : VL112001Omeprazole Impurity XI
2-Chloromethyl-3,5dimethyl-4-methoxypyridine Hydrochloride
Catalogue No : VL112010Omeprazole Impurity C
5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphanyl]-1H- benzimidazole
Catalogue No : VL112004
Methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one
Catalogue No : VL1580001CAS No : 99614-64-9
(3RS)-3-[(2-Methyl-1H-imidazol-1-yl)methyl]-1,2,3,9-tetrahydro-4H-carbazol-4-one
Catalogue No : VL158004CAS No : 99614-14-9
9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
Catalogue No : VL1580003 CAS No : 27387-31-1Ondansetron EP Impurity A/USP Ondansetron Related Compound A
(3RS)-3-[(dimethylamino) methyl]-9-methyl-1, 2, 3, 9-tetrahydro-
4H-carbazol-4-one,
Catalogue No : VL1580002 Oseltamivir EP Impurity B / Oseltamivir 2-Azido Impurity / Oseltamivir Related Compound A
Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3-(1-ethylpropoxy)cyclohexanecarboxylate OR
((3S,4R,5S)-Ethyl 4-acetamido-5-amino-2-azido-3-(pentan-3-yloxy)cyclohexanecarboxylate)
Catalogue No : VL900001Oseltamivir EP Impurity C / Oseltamivir Acid
(3R,4R,5S)-4-Acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic
acid
Catalogue No : VL900002Oxcarbazepine EP Impurity I / 11-Keto Oxcarbazepine
10,11-Dioxo-10,11-dihydro-5H-dibenzo[b,f]azepine-5-carboxamide.
Catalogue No : VL1620002Oxybutynin N-Oxide impurity
α-Cyclohexyl-α-hydroxybenzeneacetic Acid 4-
(Diethyloxidoamino)-2-butyn-1-yl Ester)
Catalogue No : VL215008Oxybutynin EP Impurity B / Diphenyl Analogue
4-(diethylamino)but-2-ynyl 2-hydroxy-2,2-diphenylacetate
Catalogue No : VL215002Oxybutynin EP Impurity E / Ethylpropyl Analogue
4-(ethylmethylamino)but-2-ynyl (RS)-2-cyclohexyl -2-hydroxy-2-phenylacetate
Catalogue No : VL215003Oxybutynin EP Impurity A / Cyclohexyl Analogue of Oxybutynin
4-(diethylamino)but-2-ynyl (RS)-2-(cyclohex-3-enyl)-2-cyclohexyl-2- hydroxyacetate
Catalogue No : VL215001Oxytetracycline EP Impurity C / 2-acetyl-2- decarbamoyloxytetracyclin
(4S,4aR,5S,5aR,6S,12aS)-2-acetyl-4-(dimethylamino)- 3,5,6,10,12,12a-hexahydroxy- 6-methyl-4a,5a,6,12a-tetrahydrotetracene -1,11(4H,5H)-dion
Catalogue No : VL1960004CAS No : 6542-44-5
