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Name of parent drug:

Abacavir


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


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

4-pyrimidinyloxy)methyl-2-cyclopentene

Catalogue No : VL760001


Abiraterone Acetate N-Oxide
Abiraterone Acetate N-Oxide

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

Catalogue No : VL830002


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

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

Catalogue No : VL284006


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

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

Catalogue No : VL284007


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

2-[(2,6-Dichlorophenyl) amino] benzeneacetic Acid 2-Oxo-2-(phenyl methoxy)ethyl Ester

Catalogue No : VL284001

CAS No : 100499-89-6

Aceclofenac Impurity D / Aceclofenac Methyl Ester
Aceclofenac Impurity D / Aceclofenac Methyl Ester

2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-Methoxy-2-oxoethyl Ester

Catalogue No : VL284002

CAS No : 139272-66-5

Aceclofenac Impurity E / Aceclofenac Ethyl Ester
Aceclofenac Impurity E / Aceclofenac Ethyl Ester

2-[(2,6-Dichlorophenyl)amino]benzeneacetic Acid 2-Ethoxy-2-oxoethyl Ester

Catalogue No : VL284003

CAS No : 139272-67-6

Aceclofenac Impurity I / Diclofenac Impurity A
Aceclofenac Impurity I / Diclofenac Impurity 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

Acetazolamide Impurity E
Acetazolamide Impurity E

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

Catalogue No : VL11002


Acetazolamide Impurity A
Acetazolamide Impurity A

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

Catalogue No : VL11001


Acetazolamide Impurity B
Acetazolamide Impurity B

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

Catalogue No : VL11003


Acetazolamide Impurity C
Acetazolamide Impurity C

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

Catalogue No : VL11004


Acetazolamide Impurity G
Acetazolamide Impurity G

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

Catalogue No : VL11006


Acetazolamide Impurity D
Acetazolamide Impurity D

2-Amino-1,3,4 thiadiazole-5-Sulfonamide

Catalogue No : VL11005


Acetazolamide Impurity F
Acetazolamide 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

Acetylcysteine EP Impurity A
Acetylcysteine EP Impurity A

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

Catalogue No : VL1350001

CAS No : 56-89-3

Acetylcysteine EP Impurity D
Acetylcysteine EP Impurity D

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

Catalogue No : VL1350004

CAS No : 18725-37-6

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


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


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


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


Acyclovir Impurity K
Acyclovir Impurity K

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

Catalogue No : VL13005


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


Acyclovir Impurity B
Acyclovir Impurity B

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

Catalogue No : VL13014


7-Acyclovir Impurity
7-Acyclovir Impurity

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

Catalogue No : VL13002


Acyclovir Impurity P
Acyclovir Impurity P

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

Catalogue No : VL13012


Acyclovir Impurity L
Acyclovir Impurity L

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

Catalogue No : VL13013


Alfuzosin Hydrochloride
Alfuzosin Hydrochloride

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

Catalogue No : VL259001


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


Alfuzosin Impurity A / USP / EP
Alfuzosin Impurity A / USP / EP

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

Catalogue No : VL259002


Alfuzosin Impurity D / USP / EP
Alfuzosin Impurity D / USP / EP

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

Catalogue No : VL259003


Alfuzosin Impurity E / USP / EP
Alfuzosin Impurity E / USP / EP

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

Catalogue No : VL259004


Alfuzosin Impurity F / USP / EP
Alfuzosin Impurity F / USP / EP

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

Catalogue No : VL259005


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


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


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


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


Ambroxol EP Impurity A
Ambroxol EP Impurity A

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

Catalogue No : VL219001


Ambroxol EP Impurity B
Ambroxol EP Impurity B

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

Catalogue No : VL219002


Ambroxol EP Impurity C
Ambroxol EP Impurity C

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

Catalogue No : VL219003


Ambroxol EP Impurity D
Ambroxol EP Impurity D

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

Catalogue No : VL219004


Ambroxol EP Impurity E
Ambroxol EP Impurity E

2-amino-3,5dibromobenzaldehyde

Catalogue No : VL219005


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


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


Amlodipine Related Compound B / Amlodipine EP Impurity B
Amlodipine Related Compound B / Amlodipine EP Impurity B

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


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


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


Amlodipine Related Compound H / Amlodipine Related EP Impurity H
Amlodipine Related Compound H / Amlodipine Related EP Impurity H

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


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


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

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

Catalogue No : VL19004


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

1-Fluoro-2-nitrobenzene

Catalogue No : VL246001


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


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


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


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

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

Catalogue No : VL197002


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


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

2,7-Dihydroxyquinoline

Catalogue No : VL197003


Ascorbic Acid
  Ascorbic Acid

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

Catalogue No : VL258001


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


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


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

L-aspartyl-L-phenylalanine

Catalogue No : VL280001


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


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

Para-Hydroxybenzoic acid OR 4-Hydroxybenzoic Acid

Catalogue No : VL530001


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

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

Catalogue No : VL530002


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

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

Catalogue No : VL530003


Bis-ether Impurity / Atenolol Bis Ether Impurity
Bis-ether Impurity / Atenolol Bis Ether Impurity

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

Catalogue No : VL500001


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


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


S-Mandelic Acid Impurity
S-Mandelic Acid Impurity

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

Catalogue No : VL266001


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

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

Catalogue No : VL266004


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


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


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


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


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


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


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


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


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


Atorvastatin Cyclo FP Impurity
Atorvastatin Cyclo FP Impurity

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

Catalogue No : VL10008


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-dihydroxyheptanoic Acid Calcium Salt

Catalogue No : VL10011


Atorvastatin Methyl Ester
Atorvastatin Methyl Ester

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

Catalogue No : VL10009


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


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


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


Atovaquone Indene Isomer
Atovaquone Indene Isomer

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

Catalogue No : VL1370001


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

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


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


Azelastine EP Impurity C
Azelastine EP Impurity C

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

Catalogue No : VL1100003


Azelastine EP Impurity D
Azelastine EP Impurity D

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

Catalogue No : VL1100004


Azelastine EP Impurity E
Azelastine EP Impurity E

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

Catalogue No : VL1100005


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


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


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

Diacetyl

Catalogue No : VL252008


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

2-ethylhexanoic acid

Catalogue No : VL252007


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


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


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


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


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

3-deoxy azithromycin

Catalogue No : VL186008


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


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