Mebendazole
Mebendazole Impurity A / Mebendazole Related Compound A
2-Amino-5-Benzoylbenzimidazole
Catalogue No : VL670001Mebendazole Impurity B / Mebendazole Related Compound B / 2-Hydroxy Mebendazole
5-Benzoyl-2-Hydorxybenzimidazole
Catalogue No : VL670002Toluoyl Mebendazole / Mebendazole EP Impurity F
5-p-Toluoyl-2-benzimidazolecarbamic Acid Methyl Ester
Catalogue No : VL670013CAS No : 31545-31-0Mebendazole EP Impurity E / Mebendazole USP Related Compound E / Ethyl Mebendazole
Ethyl (5-benzoyl-1H-benzimidazol-2-yl)carbamate
Catalogue No : VL670004CAS No : 31430-19-0Mebendazole EP Impuirty C / Mebendazole Related Compound C
(2-Amino-1-methyl-1H-benzimidazol-5-yl)phenylmethanone
Catalogue No : VL670003CAS No : 66066-76-0Mebendazole EP Impuirty D / Mebendazole Related Compound D
(5-Benzoyl-1-methyl-1H-benzimidazol-2-yl)carbamicAcid Methyl Ester
Catalogue No : VL670006P-Methoxy Acetophenone
4’-Methoxyacetophenone or 4-Methoxyphenylacetone
Catalogue No : VL1230001CAS No : 100-06-1Mefenamic Acid Impurity A / 2-3 dimethylaniline
1-Amino-2,3-dimethylbenzene, 2,3-Dimethylaniline, 2,3-Xylidine, 3-
Amino-o-xylene
Catalogue No : VL29500015-Methoxytryptamine / Deacetylmelatonin impurity
2-(5-Methoxy-1H-indol-3-yl)ethanamine OR 2-(5-Methoxyindol-3-yl)ethylamine
Catalogue No : VL1750001CAS No : 608-07-1Ethyl Meloxicam Impurity / Meloxicam Related Compound A / Meloxicam EP Impurity A/Piroxicam Impurity K
Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
Catalogue No : VL570001Methyl Meloxicam Impurity / Meloxicam EP Impurity E
Methyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
Catalogue No : VL570002Meloxicam EP Impurity B
2-Amino-5-methyl-thiazole
Catalogue No : VL570004N-Acetyl Memantine
1-Acetamido-3,5-dimethyladamantane
Catalogue No : VL180013Acetamide adamantane
1-Acetamidoadamantane
Catalogue No : VL180012Memantine Related Compound E
Memantine Related Compound D / Memantine Impurity B
1-Adamantamine hydrochloride
1-adamantamine hydrochloride
Catalogue No : VL180006Memantine Related Compound A
1,3-Dimethyladamantane
Catalogue No : VL180008Memantine Related Compound C
1-Chloro-3,5-dimethyladamantane
Catalogue No : VL180009Memantine Related Compound B
3,5-Dimethyladamantane-1-ol
Catalogue No : VL180010Mesalazine EP Impurity G / 2,5-dihydroxy benzoic acid
5-Hydroxysalicylic Acid ; 2, 5-dihydroxy benzoic acid
Catalogue No : VL98009 Mesalazine EP Impurity H/Acetylsalicylic Acid EP Impurity C
2-hydroxybenzoic acid ; 2-Carboxyphenol
Catalogue No : VL530006 Mesalazine EP Impurity L / 2-Chloro benzoic acid
o-Chlorobenzoic Acid; 2-Chloro benzoic acid
Catalogue No : VL2950002 Mesalazine EP Impurity M / 2-Chloro 5-nitro benzoic acid
2-Chloro-5-nitrobenzoic acid
Catalogue No : VL98015 Mesalazine EP Impurity N/5-Nitro Salicylic Acid
5-Nitro-2-hydroxybenzoic Acid
Catalogue No : VL98016Mesalazine EP Impurity R / 3- Nitro Salicylic acid
2-Hydroxy-3-nitrobenzoic acid
Catalogue No : VL98014 Messalamine Impurity 1
2-hydroxy-5-(phenyldiazenyl)benzoic acid.
Catalogue No : VL980014-Amino 2- hydroxy benzoic acid / Mesalazine impurity E
4-Amino-2-hydroxybenzoic acid
Catalogue No : VL98002Messalamine Impurity 3
5-amino-2-((5-amino-2-hydroxybenzoyl)amino)benzoic acid
Catalogue No : VL98003Mesalazine EP Impurity C / 2-Amino phenol
(2-Hydroxyphenyl)amine;2-Amino phenol
Catalogue No : VL980073-Amino salicylic acid / Mesalazine EP Impurity F
3-Amino-2-hydroxybenzoic acid
Catalogue No : VL98008Mesalazine EP Impurity D / 3- Amino benzoic acid
2-Hydroxybenzoic Acid;2-Carboxyphenol;2-Hydroxybenzenecarboxylic Acid
Catalogue No : VL98010Metamizole Impurity C
4-methylamino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
Catalogue No : VL105001Metamizole EP impurity A / 4-Formylamino Antipyrine
4-formylamino-1,5dimethyl-2-phenyl-1,2-dihydro-3H-Pyrazol-3-
one
Catalogue No : VL105003 Metamizole Impurity B
4-Aminoantipyrine
Catalogue No : VL105002Metformin Related Compound B
1-methylbiguanide hydrochloride
Catalogue No : VL101003Metformin Related Compound C
N,N-Dimethyl-[1,3,5]triazine-2,4,6-triamine
Catalogue No : VL101004Metformin EP Impurity B
4,6-Diamino-1,3,5-triazin-2-yl)guanidine HCl
Catalogue No : VL101005Metformin EP Impurity F
N-Methylmethanamine HCl
Catalogue No : VL101006Metformin EP impurity A / Metformin Related Comound A
1-Cyanoguanidine
Catalogue No : VL101001Metformin Impurity D
1,3,5-triazine-2,4,6-triamine
Catalogue No : VL1010021-Methoxy decane
1-Methoxy decane, Me-(CH2)9-Ome
Catalogue No : VL99001Metoclopramide Impurity C
4-amino-5-chloro-2-methoxybenzoic acid
Catalogue No : VL710001Metoclopramide Impurity E
N,N-dietylethane-1,2-diamine
Catalogue No : VL710002Metoprolol Related Compound C / Metoprolol Impurity C
4-[(2RS)-2-hydroxy-3-[(1-methylethyl)amino]propoxy]
benzaldehyde
Catalogue No : VL103003Metoprolol Lactose adduct
(1S,2S,3R,4R,6R)-4-((5-hydroxy-5-((((R)-2-hydroxy-3-(4-(2-methoxyethyl)phenoxy)propyl)(isopropyl)amino)methyl)-2-(hydroxymethyl)tetrahydrofuran-3-yl)oxy)-6-(hydroxymethyl) cyclohexane-1,2,3-triol
Catalogue No : VL103023CAS No : N/AMetoprolol Methoxy Epoxide Impurity
1-[2-(2-Methoxyethyl)phenyoxy]-2,3-epoxypropane
Catalogue No : VL103015CAS No : 56718-70-8Metoprolol EP Impurity B
4-(2-Methoxyethyl)phenol
Catalogue No : VL103012Metoprolol EP Impurity F
(2RS)-1-[(1-Methylethyl)amino]-3-phenoxypropan-2-ol
Catalogue No : VL103013Metoprolol EP Impurity G
2-(4-Hydroxyphenyl)ethanol
Catalogue No : VL103002Metoprolol EP Impurity J
1-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-3-[4-(2-
methoxyethyl)phenoxy]propan-2-ol
Catalogue No : VL103016Metoprolol Hydroxy Epoxide Impurity
1-[2-(2-Hydroxyethyl)phenyoxy]-2,3-epoxypropane
Catalogue No : VL103017CAS No : 104857-48-9Metoprolol EP Impurity O / Metoprolol USP Related Compound D
1,1-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]
propan-2-ol]
Catalogue No : VL103005CAS No : 154784-36-8Metoprolol EP Impurity N
3-[(1-Methylethyl)amino]-1,2-propanediol; 1,2-Dihydroxy-
3-isopropylaminopropane
Catalogue No : VL103019CAS No : 6452-57-9 (base)Metoprolol (Maltol) Impurity
3-Hydroxy-2-methyl-4-pyrone
Catalogue No : VL103011CAS No : N/AMetoprolol EP Impurity M
1,3-bis[(1-Methylethyl)amino]propan-2-ol
Catalogue No : VL103018Metoprolol EP Impurity H/O-Desmethyl Metoprolol
4-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-benzeneethanol
Catalogue No : VL103014Metoprolol EP Impurity D / Metoprolol Diol Impurity
(2RS)-3-[4-(2-Methoxyethyl) phenoxy]propane-1,2-diol
Catalogue No : VL103007Metoprolol Bis ether/Metoprolol Bis Propanol
1,3-bis[4-(2-Methoxyethyl) phenoxy]propan-2-ol
Catalogue No : VL103010Metoprolol Related Compound A / Metoprolol Impurity A
(2RS)-1-(Ethylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-o
Catalogue No : VL103001Metoprolol Related Compound B / Metoprolol EP Impurity A
(+/-)1-chloro-2-hydroxy-3-[4-(2-methoxyethyl)phenoxy]-propane
Catalogue No : VL103004Midodrine Related Compound B
2-Azido-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]acetamide
Catalogue No : VL2870002 Mirabegron S-Isomer
(S)-2-(2-Aminothiazol-4-yl)-N-(4-(2-((2-hydroxy-2-
phenylethyl) amino) ethyl) phenyl) acetamide
Catalogue No : VL3070006 Mirabegron Impurity A
2-(2-aminothiazol-4-yl)-N-[3-(2-{[(2R)-2-hydroxy-2-phenylethyl]
amino} ethyl) phenyl] acetamide
Catalogue No : VL3070001 Mirabegron Impurity C
(1R)-2-{[2-(4-aminophenyl) ethyl] amino}-1-phenylethanol
Catalogue No : VL3070003 Mirabegron Impurity D
2-(2-aminothiazol-4-yl)-N-(4-(2-(phenethyl amino) ethyl) phenyl)
acetamide
Catalogue No : VL3070004 Mirtazapine N-Oxide / Mirtazapine EP Impurity A / Mirtazapine Related Compound B
1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]benzazepine 2- oxide monohydrate
Catalogue No : VL206004Acyclo Mirtazapine alcohol / Mirtazapine EP Impurity B
[2-[(2RS)-4-Methyl-2-phenylpiperazin-1-yl]pyridin-3-yl]methanol
Catalogue No : VL206008Mirtazapine Impurity B
[2-[(2RS)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl]methanol
Catalogue No : VL206001Mirtazapine Impurity C
3,4,10,14b-Tetrahydro-2-methyl-pyrazino[2,1-a]pyrido [2,3-c][2]benzazepin-1(2H)-one
Catalogue No : VL206002Mirtazapine Impurity E
4-Methyl-1-(3-methyl-2-pyridinyl)-2-phenylpiperazine
Catalogue No : VL206003B-Type Misoprostol
(E)-Methyl 7-[2-(4-hydroxy-4-methyloct-1-enyl)-5-oxocyclopent-
1- enyl]heptanoate
Catalogue No : VL3750003 A-Type Misoprostol
Methyl 7-{(1R*,2S*)-2-[(E)-4-hydroxy-4-methyloct-1-enyl]-5-oxocyclopent-3-enyl}heptanoate
Catalogue No : VL3750002 8-epi-Misoprostol
Methyl (1S*,2R*,3R*)-3-hydroxy-2-[(E)-4-hydroxy-4-methyl-1-octenyl]-5-oxocyclopentaneheptanoate
Catalogue No : VL3750001 Mometasone Furoate EP Impurity C / Mometasone EP Impurity C
(16α)-21-Chloro-17-[(2-furanylcarbonyl)oxy]-16-methyl-pregna-1,4-diene-3,11,20-trione
Catalogue No : VL4080003CAS No : 1305334-31-9Mometasone Furoate EP Impurity D / Mometasone EP Impurity D
(9β,11β,16α)-21-Chloro-9,11-epoxy-17-[(2-furanylcarbonyl)oxy]-16-
methylpregna-1,4-diene-3,20-dione;
Catalogue No : VL4080004CAS No : 83881-09-8Mometasone Furoate EP Impurity E / Mometasone EP Impurity E / Mometasone Di-Furoate Impurity
(11β,16α)-9,21-Dichloro-11,17-bis[(2-furanylcarbonyl)oxy]-16-methyl-pregna-1,4-diene-3,20-dione;
Catalogue No : VL4080005CAS No : 1370190-33-2Mometasone EP Impurity F / 6-Oxo Mometasone Furoate
9,21-Dichloro-11β-hydroxy-16α-methyl-3,6,20-trioxopregna-1,4-dien-17-yl furan-2-carboxylate ;
Catalogue No : VL4080006CAS No : 1305334-30-8Mometasone EP Impurity G
9,21-Dichloro-11β,17-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione
Catalogue No : VL4080007CAS No : 105102-22-5Mometasone EP Impurity H
9-Chloro-11β,21-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-17-yl furan-2-carboxylate
Catalogue No : VL4080008CAS No : 148596-90-1Mometasone EP Impurity I
9,21-Dichloro-11β-hydroxy-16α-methyl-3,20-dioxo-5ξ-pregn-1-ene-6ξ,17-diyl-6-acetate-17-(furan-2-carboxylate)
Catalogue No : VL4080009CAS No : N/AMometasone Impurity K
9-chloro-11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione
Catalogue No : VL4080015CAS No : 4647-20-5Mometasone Impurity L
9,11β-epoxy-17,21-dihydroxy-16α-methyl-9β-pregna-1,4-diene-3,20-dione
Catalogue No : VL4080016CAS No : 24916-90-3Mometasone Furoate Impurity M / Mometasone EP Impurity M
9-chloro-11β,17-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione
Catalogue No : VL4080010CAS No : 57780-86-6Mometasone Furoate Impurity N / Mometasone EP Impurity N
9-chloro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-yl methanesulfonate;
Catalogue No : VL4080011CAS No : 352315-75-4Mometasone Furoate Impurity O / Mometasone EP Impurity O
9-chloro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-yl acetate
Catalogue No : VL4080012CAS No : 24916-91-4Mometasone Furoate Impurity P / Mometasone EP Impurity P
9-chloro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-yl furan-2-carboxylate;
Catalogue No : VL4080014CAS No : N/AMometasone Impurity Q
9-chloro-11β-hydroxy-16α-methyl-21-[(methylsulfonyl)oxy]-3,20-dioxopregna-
1,4-dien-17-yl furan-2-carboxylate
Catalogue No : VL4080017CAS No : 83881-08-07Montelukast Acid Impurity
2((3R)-3-({[1-(carboxylatomethyl)cyclopropyl] methyl}thio)-3-{3-[(E)-2-(7-Chloroquinolin-2-yl)vinyl]phenyl}propyl)benzoated disodium salt
Catalogue No : VL510012CAS No : 158966-92-8Montelukast other-Isomer Impurity
(S,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-
hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid
Catalogue No : VL510007CAS No : N/AMontelukast Michael Adduct
1-[[[(1R)-1-[3-[(1R)-1-[[[1-(carboxymethyl)cyclopropyl]methyl]sulfanyl]-2-(7-
chloroquinolin-2-yl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] sulfanyl]
methyl]cyclopropyl]acetic acid
Catalogue No : VL510017CAS No : 1187586-61-3 (R isomer); 1187586-58-8 (S isomer)Montelukast Dihydro Impurity
1-[[[(1R)-1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-
methylethyl)phenyl]propyl]thio] methyl]cyclopropaneacetic acid sodium salt
Catalogue No : VL510008CAS No : 142147-98-6Montelukast Sulfone Impurity
1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfonyl]methyl]cyclopropaneacetic Acid;
Catalogue No : VL510021CAS No : 1266620-74-9Montelukast Amide Impurity
(R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-
yl)phenyl)propyl)thio)methyl)cyclopropyl)
acetamide
Catalogue No : VL510001CAS No : 866923-63-9Montelukast Methylketone Impurity
(R,E)-2-(1-(((3-(2-acetylphenyl)-1-(3-(2-(7-chloroquinolin-2-
yl)vinyl)phenyl)propyl)thio)methyl)cyclopropyl)
acetic acid
Catalogue No : VL510002Montelukast Methylstyrene Impurity / Montelukast EP Impurity B USP Related Compound F
(R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(prop-1-en-2-
yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid
Catalogue No : VL510003Montelukast Nitrile Impurity
(R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-
yl)phenyl)propyl)thio)methyl)cyclopropyl)
acetonitrile
Catalogue No : VL510004Montelukast S-Isomer Impurity / Montelukast Impurity A (S-Enantiomer)
(S,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-
yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid
Catalogue No : VL510005Montelukast Sulphoxide Impurity
2-(1-(((R)-((R)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-
hydroxypropan-2-yl)phenyl)propyl)sulfinyl)methyl)cyclopropyl)acetic acid
Catalogue No : VL510006Montelukast Chloro alcohol Impurity
2-[2-[3S-[3(E)-[2-(7-Chloroquinoline-2-yl) ethenyl]phenyl]-3-chloropropyl]phenyl]-
2-propanol
Catalogue No : VL510014Montelukast CIS-Isomer / Montelukast Impurity G
1-[[[(1R)-1-[3-[(1Z)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3- [2-(1-hydroxy-1-
methylethyl)phenyl]propyl]thio]methyl]
cyclopropaneacetic Acid
Catalogue No : VL510015Moxifloxacin EP Impurity B
1-cyclopropyl-6,8-dimethoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
Catalogue No : VL106002Moxifloxacin Decarboxy Impurity
1-Cyclopropyl-6-fluoro-8-methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-
b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline
Catalogue No : VL106006Moxifloxacin EP Impurity A / Moxifloxacin Related Compound A
1-Cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic Acid.
Catalogue No : VL106001Moxifloxacin EP Impurity C / Moxifloxacin Related Compound C
1-Cyclopropyl-8-ethoxy-6-fluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic Acid
Catalogue No : VL106003Moxifloxacin Impurity-E (8-Hydroxy Moxifloxacin)
1-cyclopropyl-6-fluoro-8-hydroxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acidmethoxy-4-oxoquinoline-3-carboxylate
Catalogue No : VL106005Moxifloxacin EP Impurity D / Moxifloxacin Related Compound D
1-cyclopropyl-8-fluoro-6-methoxy-7-[(4aS,7aS)-octanydro-6H-pyrrolo[3,4-b]pyridine-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic acid.
Catalogue No : VL106004Mycophenolate Mofetil EP Impurity E/Mycophenolic Acid Methyl Ester
(4E)-6-(1,3-Dihydro-4-hydroxy-6-methoxy-7-methyl-3-oxo-5-isobenzofuranyl)-4-methyl-4-hexenoic Acid Methyl Ester
Catalogue No : VL1890004Mycophenolate Mofetil EP Impurity F/Mycophenolic Acid
(4E)-6-(4-Hydroxy-6-methoxy-7-methyl-3-oxo-1,3-dihydro-2-benzofuran-5-yl)-
4-methylhex-4-enoic acid
Catalogue No : VL1890002Mycophenolate Mofetil ethyl ester/ 4-Hexenoic acid
6-(1,3-dihydro-4-hydroxy-6-methoxy-7-methyl-3-oxo-5-isobenzofuranyl)-4-
methyl-ethyl ester
Catalogue No : VL1890012Mycophenolic Acid O-Methyl Methyl Ester
Methyl(E)-6-(1,3-dihydro-4,6-dimethoxy-7-methyl-3-oxo-5-isobenzofuranyl)-4-methyl-4-hexenoate
Catalogue No : VL1890013Mycophenolate Mofetil EP Impurity H/Mycophenolate Mofetil USP Related Compound B/Mycophenolic Lactone
(RS)-7-Hydroxy-5-methoxy-4-methyl-6-[2-(5-methyl-2-oxo-tetrahydro-furan-5-yl)-ethyl]-3H-isobenzofuranyl-1-one ;
Catalogue No : VL1890014