An ISO 9001:2008
COMPANY

Name Index: A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   All  

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

CAS No : NA

3-Hydroxy abacavir
3-Hydroxy abacavir

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

Catalogue No : VL760008


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

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

Abiraterone N-Oxide
Abiraterone N-Oxide

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

Catalogue No : VL830002


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

Catalogue No : VL830004

CAS No : 979-02-2

<a href="https://www.veeprholabs.com/cas-no-2174-13-2-16-dehydro-pregnenolone-acetate-oxime-DHPG.php" target="_blank" title="Abiraterone Impurity">16-Dehydro Pregnenolone Acetate Oxime (DHPG Oxime Acetate)</a>

3β-Hydroxy-pregna-5,16-dien-20-one Acetate Oxime; 3β-Hydroxy-pregna-5,16-dien-20-one Oxime Acetate (Ester); NSC 224249; (3β)-3-(Acetyloxy)-pregna-5,16-dien-20-one 20-Oxime, Abiraterone Related Compound 3

Catalogue No : VL830003

CAS No : 2174-13-2

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


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

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

Catalogue No : VL284007


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 EP Impurity F
Aceclofenac EP Impurity F

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

Aceclofenac Impurity I
Aceclofenac Impurity I

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

Catalogue No : VL284004

CAS No : 15362-40-0

<a href="https://www.veeprholabs.com/cas-no-15307-78-5-aceclofenac-ep-impurity b-diclofenac-methyl-ester.php" target="_blank" title="Aceclofenac Impurity">Aceclofenac EP Impurity B / Diclofenac Methyl Ester</a>

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

Catalogue No : VL284005

CAS No : 15307-78-5

Aceclofenac EP Impurity H
Aceclofenac EP Impurity H

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

Catalogue No : VL284008


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

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

Catalogue No : VL284006


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

Acetazolamide EP Impurity D
Acetazolamide EP Impurity D

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

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


Acetazolamide EP Impurity E
Acetazolamide EP Impurity E

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

Catalogue No : VL11002

CAS No : 827026-60-8

Acetazolamide EP Impurity A
Acetazolamide EP Impurity A

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

Catalogue No : VL11001

CAS No : 60320-32-3

Acetazolamide EP Impurity B
Acetazolamide EP Impurity B

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

Catalogue No : VL11003

CAS No : 5393-55-5

Acetazolamide EP Impurity C
Acetazolamide EP Impurity C

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

Catalogue No : VL11004

CAS No : 32873-56-6

Acetazolamide Impurity G
Acetazolamide Impurity G

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

Catalogue No : VL11006


Acetazolamide Disulphide Impurity
Acetazolamide Disulphide Impurity

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

Catalogue No : VL11008


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

Acetylcysteine EP Impurity B
Acetylcysteine EP Impurity B

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

Catalogue No : VL1350002

CAS No : 52-90-4

Acetylcysteine EP Impurity C
Acetylcysteine EP Impurity C

N,N-Diacetyl-L-cystine

Catalogue No : VL1350003

CAS No : 05545-17-5

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


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 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 I
Acyclovir Impurity I

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

Catalogue No : VL13020


<a href="https://www.veeprholabs.com/cas-no-59277-91-7-acyclovir-impurity-d.php" target="_blank" title="Acyclovir Impurity">Acyclovir Impurity D</a>

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

<a href="https://www.veeprholabs.com/cas-no-133186-23-9-acyclovir-impurity-h.php" target="_blank" title="Acyclovir Impurity">Acyclovir Impurity H</a>

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

<a href="https://www.veeprholabs.com/cas-no-374697-95-7-acyclovir-impurity-e.php" target="_blank" title="Acyclovir Impurity">Acyclovir Impurity E</a>

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

Catalogue No : VL13024

CAS No : 374697-95-7

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


Adamantane Impurity 2
Adamantane Impurity 2

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

Adamantane Impurity 3
Adamantane Impurity 3

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

Catalogue No : VL2290002

CAS No : 878-61-5

Agomelatine Impurity 2
Agomelatine Impurity 2



Catalogue No : VL1840001

CAS No : 178677-39-9

Albendazole EP Impurity D
Albendazole EP Impurity D

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


Albendazole EP Impurity K
Albendazole EP Impurity K

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

Catalogue No : VL960010


Albendazole EP Impurity L
Albendazole EP Impurity L

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

Catalogue No : VL960011


Albendazole EP Impurity A
Albendazole EP Impurity A

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

Catalogue No : VL960001

CAS No : 80983-36-4

Albendazole EP Impurity C
Albendazole EP Impurity C

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

Catalogue No : VL960003

CAS No : 75184-71-3

Albendazole EP Impurity E
Albendazole EP Impurity E

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

Catalogue No : VL960005

CAS No : 10605-21-7

Albendazole EP Impurity F
Albendazole EP Impurity F

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

Catalogue No : VL960006

CAS No : 80983-45-5

Albendazole EP Impurity B
Albendazole EP Impurity B

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


Albendazole EP Impurity J
Albendazole EP Impurity J

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

Catalogue No : VL960013


Alfuzosin Impurity B/ USP / EP
Alfuzosin Impurity B/ USP / EP

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

Catalogue No : VL259008

CAS No : 23680-84-4

Alfuzosin Impurity C/ USP / EP
Alfuzosin Impurity C/ USP / EP

(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


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

CAS No : 98902-29-5

Alfuzosin Hydrochloride
 Alfuzosin Hydrochloride

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

Catalogue No : VL259001

CAS No : 821-48-7

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

CAS No : 81403-69-2

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

CAS No : 1026411-59-5

Alfuzosin Impurity F
Alfuzosin Impurity F

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

Catalogue No : VL259005


Allopurinol Related Compound F
Allopurinol Related Compound F

(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

Allopurinol Impurity C / Allopurinol USP Related Compound C
Allopurinol Impurity C / Allopurinol USP Related Compound C

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

Catalogue No : VL1430003

CAS No : 1346604-13-4

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

CAS No : 50910-53-7

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

CAS No : 107814-37-9

Ambroxol EP Impurity E
Ambroxol EP Impurity E

2-amino-3,5dibromobenzaldehyde

Catalogue No : VL219005


<a href="https://www.veeprholabs.com/cas-no-23551-25-9-amiodarone-ep-impurity-a.php" target="_blank" title=" Amiodarone Impurity ">Amiodarone EP Impurity A / Amiodarone Related Compound A / Di-Desiodo Amiodarone</a>

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

Catalogue No : VL1390001

CAS No : 23551-25-9

<a href="https://www.veeprholabs.com/cas-no-96027-74-6-amiodarone-ep-impurity-b.php" target="_blank" title=" Amiodarone Impurity ">Amiodarone EP Impurity B/ Amiodarone related Compound B/ N-Desethyl Amiodarone Hydrochloride</a>

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

Catalogue No : VL1390002

CAS No : 96027-74-6

<a href="https://www.veeprholabs.com/cas-no-85642-08-6-amiodarone-ep-impurity-c.php" target="_blank" title=" Amiodarone Impurity ">Amiodarone EP Impurity C / Desiodo Amiodarone HCl / Amiodarone Related Compound C</a>

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

Catalogue No : VL1390003

CAS No : 85642-08-6

<a href="https://www.veeprholabs.com/cas-no-1951-26-4-amiodarone-ep-impurity-d.php" target="_blank" title=" Amiodarone Impurity ">Amiodarone EP Impurity D/ Amiodarone Metabolite B2/ Amiodarone Related Compound D</a>

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

Catalogue No : VL1390005

CAS No : 1951-26-4

<a href="https://www.veeprholabs.com/cas-no-52490-15-0-amiodarone-ep-impurity-e.php" target="_blank" title=" Amiodarone Impurity ">Amiodarone EP Impurity E/ Amiodarone Related Compound E</a>

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

Catalogue No : VL1390006

CAS No : 52490-15-0

<a href="https://www.veeprholabs.com/CAS-No-70677-78-0-amlodipine-impurity-20.php" target="blank" title="amlodipine impurity 20">Amlodipine Impurity 20</a>

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

Catalogue No : VL19018

CAS No : 70677-78-0

<a href="https://www.veeprholabs.com/CAS-No-93848-82-9-amlodipine-impurity-22.php" target="blank" title="amlodipine impurity 22">Amlodipine Impurity 22</a>

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

<a href="https://www.veeprholabs.com/CAS-No-34148-67-9-amlodipine-impurity-24.php" target="blank" title="amlodipine impurity 24">Amlodipine Impurity 24</a>

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

Catalogue No : VL19017

CAS No : 34148-67-9

<a href="https://www.veeprholabs.com/CAS-No-3891-07-4-amlodipine-impurity-6.php" target="blank" title="amlodipine impurity 6">Amlodipine Impurity 6</a>

N-(2-Hydroxyethyl)phthalimide

Catalogue No : VL19019

CAS No : 3891-07-4

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 : 113994-41-5

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


<a href="https://www.veeprholabs.com/CAS-No-88150-62-3-Amlodipine-Related-Compound-A.php" target="_blank">Amlodipine Related Compound A / Amlodipine EP Impurity D</a>

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

Catalogue No : VL19001

CAS No : 88150-62-3

<a href="https://www.veeprholabs.com/CAS-No-289042-12-2-Amlodipine-Related-Compound-F.php" target="_blank">Amlodipine Related Compound F / Amlodipine EP Impurity F</a>

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

Catalogue No : VL19006


<a href="https://www.veeprholabs.com/CAS-No-1821498-25-2-amlodipine-impurity-18.php" target="blank" title="amlodipine impurity">Amlodipine Impurity 18</a>

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

Catalogue No : VL19009

CAS No : 1821498-25-2

<a href="https://www.veeprholabs.com/CAS-No-318465-73-5-Amlodipine-Related-Compound-H.php" target="blank" title="amlodipine impurity H">Amlodipine Related Compound H / Amlodipine Related 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 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


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


<a href="https://www.veeprholabs.com/cas-no-551-16-6-amoxicillin-ep-impurity-a.php" target="_blank" title="Amoxicillin Impurity"> Amoxicillin Related Compound A/Amoxicillin EP Impurity A</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.veeprholabs.com/cas-no-26889-93-0-amoxicillin-ep-impurity-b.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.veeprholabs.com/cas-no-94659-47-9-amoxicillin-ep-impurity-c.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.veeprholabs.com/cas-no-68728-47-2-amoxicillin-ep-impurity-d.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.veeprholabs.com/cas-no-126247-63-0-amoxicillin-ep-impurity-f.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

<a href="https://www.veeprholabs.com/cas-no-188112-75-6-amoxicillin-ep-impurity-g.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

<a href="https://www.veeprholabs.com/cas-no-869-24-9-amiodarone-ep-impurity-h.php" target="_blank" title="Amoxicillin Impurity"> Amoxicillin Related Compound H/Amoxicillin EP Impurity H</a>

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

Catalogue No : VL1970008

CAS No : 205826-86-4

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

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

Catalogue No : VL1970010

CAS No : 205826-86-4

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

1-Fluoro-2-nitrobenzene

Catalogue No : VL246001

CAS No : 1493-27-2

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


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 EP Impurity A
Aripiprazole EP Impurity A

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

Catalogue No : VL197010


Aripiprazole Diquinoline Butanediol Impurity
Aripiprazole Diquinoline Butanediol Impurity

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

Catalogue No : VL197011


Aripiprazole Iodobutoxyquinoline Impurity
Aripiprazole Iodobutoxyquinoline Impurity

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

Catalogue No : VL197021


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

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

Catalogue No : VL197009


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

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

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


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


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


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

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

Catalogue No : VL197018


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


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


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


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

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

CAS No : 87619-83-8

Atenolol EP Impurity H /Atenolol USP RC B
Atenolol EP Impurity H /Atenolol USP RC B

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

Catalogue No : VL500012


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

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

Catalogue No : VL266004


S-Mandelic Acid Impurity
S-Mandelic Acid Impurity

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

Catalogue No : VL266001


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

(S)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4- (phenylcarbamoyl)-1H- pyrrol-1-yl]-5-hydroxyhept-2-enoic acid calcium salt

Catalogue No : VL10018


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-1H-pyrrol-1-yl]-3,5-dihyroxyheptanoicacid, calcium salt.

Catalogue No : VL10001


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


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


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


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

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

Catalogue No : VL10009


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


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


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

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 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


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


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 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


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


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


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

6-Iodo Indazole
6-Iodo Indazole

6-Iodo-1H-indazole

Catalogue No : VL4110001


Axitinib Impurity 29
Axitinib Impurity 29

3,6-DIIODO (1H) INDAZOLE

Catalogue No : VL4110002


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 : VL110004


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

2-ethylhexanoic acid

Catalogue No : VL252007


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-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 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


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

Diacetyl

Catalogue No : VL252008


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

3-deoxy azithromycin

Catalogue No : VL186008


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

Azithromycin N-Oxide

Catalogue No : VL186001


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

6-demethyl Azithromycin

Catalogue No : VL1860013


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



Catalogue No : VL1860015


Azithromycin Impurity G
Azithromycin Impurity G

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

Catalogue No : VL1860011


Azithromycin Impurity 1
Azithromycin Impurity 1

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

Catalogue No : VL1860014


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

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

Catalogue No : VL186009


<a href="https://www.veeprholabs.com/CAS-No-117693-41-1-Azithromycin-Impurity-J.php" target="blank" title="azithromycin impurity j">Azithromycin Impurity J / Desosaminyl Azithromycin</a>

Desosaminyl Azithromycin

Catalogue No : VL186002

CAS No : 117693-41-1

<a href="https://www.veeprholabs.com/CAS-No-172617-84-4-Azithromycin-Impurity-I.php" target="blank" title="azithromycin impurity i">Azithromycin Impurity I / 3-N- Demethyl Azithromycin</a>

3’ -N-demethylazithromycin

Catalogue No : VL186003

CAS No : 172617-84-4

<a href="https://www.veeprholabs.com/CAS-No-612069-28-0-Azithromycin-Impurity-F.php" target="blank" title="azithromycin impurity f">Azithromycin Impurity F / Azithromycin Related Compound  F</a>

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

Catalogue No : VL186004

CAS No : 612069-28-0

Azithromycin Impurity M
Azithromycin Impurity M

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

Catalogue No : VL186005

CAS No : 765927-71-7

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