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Name of parent drug:

Dabigatran


Dabigatran impurity 8 / Dabigatran Etexilate Mesylate
Dabigatran impurity 8 / Dabigatran Etexilate Mesylate

N-[[2-[[[4- [[[(Hexyloxy)carbonyl]amino]carbonyl]phenyl]amino]methyl]-1- methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-β-alanine Ethyl Ester

Catalogue No : VL1760005


Dapagliflozin Hydroxy Impurity
Dapagliflozin Hydroxy Impurity

(2S,3R,4R,5S,6R)-2-(4-chloro-3-((4- ethoxyphenyl)(hydroxy)methyl)phenyl)-6- (hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

Catalogue No : VL1650007


Dapagliflozin Keto Impurity
Dapagliflozin Keto Impurity

(2-chloro-5-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6- (hydroxymethyl)tetrahydro-2H-pyran-2-yl)phenyl)(4- ethoxyphenyl)methanone

Catalogue No : VL1650008


Dapagliflozin Impurity 15
Dapagliflozin Impurity 15

4-Bromo-1-chloro-2-(4-ethoxybenzyl) benzene

Catalogue No : VL1650013


Dapagliflozin Impurity 18
Dapagliflozin Impurity 18

Ethoxybenzene

Catalogue No : VL1650014


Dapagliflozin Impurity 19
Dapagliflozin Impurity 19

5-Bromo-2-chlorobenzoic Acid

Catalogue No : VL1650015


Dapagliflozin O-Desethyl Impurity
Dapagliflozin O-Desethyl Impurity

(1S)-1,5-Anhydro-1-C-[4-chloro-3-[(4-hydroxyphenyl)methyl]phenyl]-D-glucitol

Catalogue No : VL1650009


Dapagliflozin Open Ring Impurity
Dapagliflozin Open Ring Impurity

(1R,2S,3R,4R,5R)-1-(4-chloro-3-(4-ethoxybenzyl)phenyl)hexane-1,2,3,4,5,6-hexaol

Catalogue No : VL1650016


Dapsone Impurity 1
Dapsone Impurity 1

4-Chlorodiphenyl Sulfone

Catalogue No : VL2890007


Dapsone Impurity 11
Dapsone Impurity 11

Bis(p-chlorophenyl)sulfone

Catalogue No : VL2890008


Dapsone Impurity 12
Dapsone Impurity 12

4,4’-sulfonylbisphenol

Catalogue No : VL2890006


Dapsone Impurity 13
Dapsone Impurity 13

3, 3’-Diaminodiphenyl Sulfone

Catalogue No : VL2890009


R- Isomer Darifenacin Impurity
R- Isomer Darifenacin Impurity

(3R)-1-[2-(2,3-Dihydro-5-benzofuranyl)ethyl]-α-α-diphenyl-3-pyrrolidineacetamide Hydrobromide

Catalogue No : VL1530002


Darifenacin Bromo impurity
Darifenacin Bromo impurity

5-(2-Bromoethyl)-2,3-dihydrobenzo[2,3-b]furan

Catalogue No : VL1530004


Darifenacin Cyano Pyrrolidine Impurity
Darifenacin Cyano Pyrrolidine Impurity

(S)-3-(Cyanodiphenylmethyl)-pyrrolidine HBr/(3S)-α,α-Diphenyl-3- pyrrolidineacetonitrile Hydrochloride

Catalogue No : VL1530005


1-Tosyl-3-pyrrolidinol Tosylate/Darifenacin impurity
1-Tosyl-3-pyrrolidinol Tosylate/Darifenacin impurity

1-[(4-Methylphenyl)sulfonyl]-3-pyrrolidinol-3-(4-Methylbenzene sulfonate)

Catalogue No : VL1530007

CAS No : 131912-34-0

2,3-dihydro-1-benzofuran-5-yl-acetic acid Darifenacin Impurity
2,3-dihydro-1-benzofuran-5-yl-acetic acid Darifenacin Impurity

(2,3-Dihydrobenzofuran-5-yl)acetic Acid

Catalogue No : VL1530008


Darifenacin Impurity A
Darifenacin Impurity A

2-((R)-1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetic acid Molecular

Catalogue No : VL1530001


Darifenacin Impurity 3
Darifenacin Impurity 3

Diphenylacetonitrile

Catalogue No : VL1530006


Darifenacin N-Oxide Impurity
Darifenacin N-Oxide Impurity

(S)-2-[ 1-[2-(2,3-Dihydrobenzofuran-5-yl)ethyl]-1 -oxidopyrrolidin-3-yl]-2,2-diphenyl acetamide

Catalogue No : VL1530009


Defirasirox Benzamide Impurity / Salicylamide
Defirasirox Benzamide Impurity / Salicylamide

2-Hydroxy-benzamide;

Catalogue No : VL4220003

CAS No : 65-45-2

Defirasirox Benzamide Impurity / Salicylamide
Defirasirox Benzamide Impurity / Salicylamide

2-Hydroxy-benzamide;

Catalogue No : VL4220003

CAS No : 65-45-2

Desloratidine EP B Impurity
Desloratidine EP B Impurity

8-Chloro-6,11-dihydro-11-(1,2,3,6-tetrahydro-4-pyridinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

Catalogue No : VL41005


Dehydro Desloratidine Impurity
Dehydro Desloratidine Impurity

8-Chloro-11-(piperidin-4-ylidene)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine

Catalogue No : VL41007


Desloratadine N-Formyl Impurity
Desloratadine N-Formyl Impurity

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-formylpiperidine

Catalogue No : VL41001


Desloratadine N-Oxide / N-Oxide Derivative of Desloratidine
Desloratadine N-Oxide / N-Oxide Derivative of Desloratidine

8-Chloro-6,11-dihydro-11-(4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2- b]pyridine 1-Oxide

Catalogue No : VL41002


Desloratadine N-Hydroxypiperidine / N-Hydroxy Derivative of Desloratidine
Desloratadine N-Hydroxypiperidine / N-Hydroxy Derivative of Desloratidine

8-Chloro-6,11-dihydro-11-(1-hydroxy-4-piperidinylidene)-5Hbenzo[ 5,6]cyclohepta[1,2-b]pyridine

Catalogue No : VL41003


Desloratadine EP Impurity C
Desloratadine EP Impurity C

4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1- piperidinecarboxylic Acid Ethyl Ester

Catalogue No : VL41009


Desloratadine N-Acetyl Impurity
Desloratadine N-Acetyl Impurity

1-Acetyl-4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11- ylidene)-piperidine

Catalogue No : VL41004


Desloratadine EP Impurity A
Desloratadine EP Impurity A

11-Fluoro Dihydro Desloratadine Diformate Salt

Catalogue No : VL41010


Desvenalfaxine N-Oxide Impurity
Desvenalfaxine N-Oxide Impurity

2-(1-hydroxycyclohexyl)-2-(4-hydroxyphenyl)-N,N-dimethylethanamine oxide

Catalogue No : VL2040002


Desvenlafaxine Phenol Impurity
Desvenlafaxine Phenol Impurity

4-(2-Dimethylaminoethyl)phenol

Catalogue No : VL2040003


Desoxymetasone(17-Desoxy of Dexamethasone)
Desoxymetasone(17-Desoxy of Dexamethasone)

(11β,16α)-9-Fluoro-11,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20- dione; Dexamethasone Impurity F

Catalogue No :


Betamethasone Valerate Related Compound A/ Betamethasone Valerate EP Impurity E/Dexamethasone EP B Impurity
Betamethasone Valerate Related Compound A/ Betamethasone Valerate EP Impurity E/Dexamethasone EP B Impurity

(11β,16β)-9-Fluoro-11,17-dihydroxy-16-methyl-21-[(1-oxopentyl)oxy]pregna-1,4-diene-3,20-dione; 9-Fluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-Valerate

Catalogue No : VL273010


17β-Carboxy-17-desoxy Dexamethasone
17β-Carboxy-17-desoxy Dexamethasone

(11β,16α,17β)-9-Fluoro-11-hydroxy-16-methyl-3-oxoandrosta-1,4-diene- 17-carboxylic Acid; 17β-Carboxy 17-Desoxymethasone

Catalogue No : VL273002


Dexamethasone 9,11- α Epoxide / Dexamethasone EP Impurity I
Dexamethasone 9,11- α Epoxide / Dexamethasone EP Impurity I

(11α,16α)-9,11-Epoxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione

Catalogue No : VL273006

CAS No : 24916-90-3

21-Dehydro Dexamethasone
21-Dehydro Dexamethasone

(11β,16α)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al Hydrate

Catalogue No : VL273008

CAS No : 2964-79-6

Dexamethasone-Δ 17,20 21-Aldehyde
Dexamethasone-Δ 17,20 21-Aldehyde

9-Fluoro-11β,20-dihydroxy-16α-methyl-3-oxopregna-1,4,17(20)-trien-21-al

Catalogue No : VL273003


Dexamethasone EP Impurity K / Δ7,9 (11)-Dexamethasone
Dexamethasone EP Impurity K / Δ7,9 (11)-Dexamethasone

17,21-Dihydroxy-16α-methylpregna-1,4,7,9(11)-tetraene3,20-dione

Catalogue No : VL273007


17- Oxo Dexamethasone
17- Oxo Dexamethasone

9-Fluoro-11-hydroxy-16-methyl-(11β,16α) Androsta-1,4-diene-3,17-Dione.

Catalogue No : VL273001


Dexamethasone Acetate EP Impurity A
Dexamethasone Acetate EP Impurity A

9-Fluoro-11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione

Catalogue No : VL273021


Dexamethasone Acetate EP Impurity C
Dexamethasone Acetate EP Impurity C

9-Fluoro-11β,17β-dihydroxy-16α-methyl-3,20dioxopregna-1,4-dien-21-yl acetate

Catalogue No : VL273019


Dexamethasone Acetate EP Impurity D
Dexamethasone Acetate EP Impurity D

9-Fluoro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4- dien-21-yl acetate

Catalogue No : VL273022


Dexamethasone EP Impurity C
Dexamethasone EP Impurity C

9-Fluoro-11β,17,21-trihydroxy-16α-methylpregn-4-ene-3,20-dione

Catalogue No : VL273017


Dexamethasone EP Impurity E
Dexamethasone EP Impurity E

17,21-Dihydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione

Catalogue No : VL273016


Dexamethasone EP Impurity F
Dexamethasone EP Impurity F

9-Fluoro-11β,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione

Catalogue No : VL273011


Dexamethasone EP Impurity G
Dexamethasone EP Impurity G

9-Fluoro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-yl acetate

Catalogue No : VL273012


9-Desfluoro-11-Keto of Dexamethasone
9-Desfluoro-11-Keto of Dexamethasone

(16α)-17,21-Dihydroxy-16-methylpregna-1,4-diene-3,11,20-trione

Catalogue No : VL273005


Desoxymetasone(17-Desoxy of Dexamethasone)
Desoxymetasone(17-Desoxy of Dexamethasone)

(11β,16α)-9-Fluoro-11,21-dihydroxy-16-methyl-pregna-1,4-diene-3,20- dione; Dexamethasone Impurity F

Catalogue No : VL273004


8-dexamethasone / Dexamethasone EP impurity D/ Dexamethasone 9,11-β Epoxide
8-dexamethasone / Dexamethasone EP impurity D/ Dexamethasone 9,11-β Epoxide

(9β,11β,16α)-9,11-Epoxy-17,21-dihydroxy-16-methyl-pregna-1,4-diene- 3,20- dione

Catalogue No : VL273018


Dexmedetomidine Impurity-1
Dexmedetomidine Impurity-1

1-(2,3-dimethylphenyl)-1-(1H-imidazol-5-yl)ethanol

Catalogue No : VL520001


Dexmedetomidine Impurity-2
Dexmedetomidine Impurity-2

1-(1-benzyl-1H-imidazol-5-yl)-1-(2,3-dimethylphenyl)ethanol

Catalogue No : VL520002


Dexmedetomidine Impurity-3
Dexmedetomidine Impurity-3

5-[1-(2,3-Dimethylphenyl)ethyl]-1-ethyl-1H-imidazole

Catalogue No : VL520003


Dexmedetomidine Impurity-4
Dexmedetomidine Impurity-4

1-Benzyl-5-[-1-(2,3-dimethyl phenyl)ethyl]-1H-imidazole

Catalogue No : VL520004


Dexmedetomidine Impurity-5
Dexmedetomidine Impurity-5

1-benzyl-5-(1-(2,3-dimethylphenyl)vinyl)-1H-imidazole

Catalogue No : VL520005


Dexmedetomidine Impurity-6
Dexmedetomidine Impurity-6

(R)-4-(1-(2,3-dimethylphenyl)ethyl)-1H-imidazole

Catalogue No : VL520006


Olefin Dexmedetomidine Impurity
Olefin Dexmedetomidine Impurity

4-[a-(2’,3’-dimethylphenyl)vinyl]-1H-imidazole

Catalogue No : VL520009


Dexmetoetomidine Ketone Impurity
Dexmetoetomidine Ketone Impurity

4-(2’,3’-Dimethybenzoyl)imidazole

Catalogue No : VL520008


Dextromethorphan Impurity D
Dextromethorphan Impurity D



Catalogue No : VL200001


Dextromethorpan Impurity A
Dextromethorpan Impurity A

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

Catalogue No : VL200002


Dextromethorphan Impurity B
Dextromethorphan Impurity B

(+)-3-Hydroxy-17-methylmorphinan, 1,3,4,9,10,10a-Hexahydro-6- hydroxy-2H-10,4a-(iminoethano)-11-methylphenanthrene

Catalogue No : VL200004


Dextromethorphan Impurity C
Dextromethorphan Impurity C

(9α,13α,14α)-3-Methoxy-17-methylmorphinan-10-one, 10-Keto dextromethorphan

Catalogue No : VL200003


Dextromethorphan N-Formyl Octabase
Dextromethorphan N-Formyl Octabase

(S)-3,4,5,6,7,8-Hexahydro-1-[(4-methoxyphenyl)methyl]-2(1H)-isoquinolinecarboxaldehyde

Catalogue No : VL200005


Diacerein impurity G
Diacerein impurity G

3-(acetoxymethyl)-10(2,3,4,6-tetra-O-acetyl-β-D

Catalogue No : VL158001


Diacerein Impurity F
Diacerein Impurity F

(10S)-3-(acetoxymethyl)-1,8-diacetoxy-10-(2,3,4,6-tetra-O-acetyl-β-Dglucopyranosyl)- 10H-anthracen-9-one(heptaacetyl aloin, heptaacetyl barbaloin)

Catalogue No : VL158002


Diacerein Monoacetyl rhein - I / Diacerein Impurity D / Hydrolysis-1
Diacerein Monoacetyl rhein - I / Diacerein Impurity D / Hydrolysis-1

5-acetoxy-4-hydroxy-9,10-dioxo-9,10-dihydroantracene-2-carboxylic acid

Catalogue No : VL158003


Diacerein Monoacetyl rhein-II / Diacerein Impurity E / Hydrolysis-2
Diacerein Monoacetyl rhein-II / Diacerein Impurity E / Hydrolysis-2

4-acetoxy-5-hydroxy-9,10-dioxo-9,10-dihydroantracene-2-carboxylic acid

Catalogue No : VL158004


Diacerein Impurity B (Aloe-emodin)
Diacerein Impurity B (Aloe-emodin)

1,8-dihydroxy-3(hydroxymethyl)-anthracen-9,10-dione(aloe-emodin)

Catalogue No : VL158006


Diacerein Impurity H (triacetyl aloe emodin)
Diacerein Impurity H (triacetyl aloe emodin)

3-{(acetoxy)methyl}-9,10-dihydroantracene-1,8-diyl diacetate (Triacetyl aloeemodin)

Catalogue No : VL158007


Diacerein Impurity C (Rhein)
Diacerein Impurity C (Rhein)

4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid (rhein)

Catalogue No : VL158005


Diclofenac Impurity F
Diclofenac Impurity F

N-Chloroacetyl-(2,6-dichlorophenyl)phenylamine OR (Alpha-(2,6-Dichlorophenyl)-4-chloroacetanilide)

Catalogue No : VL48005


PPG ESTER-1
PPG ESTER-1

[2-(2, 6-Dichloro-phenylamino)-phenyl]-acetic acid 2-hydroxy-propyl ester

Catalogue No : VL48001


PPG ESTER-2
PPG ESTER-2

[2-(2, 6-Dichloro-phenylamino)-phenyl]-acetic acid 2-hydroxy-1-methyl-ethyl ester

Catalogue No : VL48002


<a href="https://www.veeprholabs.com/cas-no-13625-57-5-diclofenac-carboxylic-acid.php" target="_blank" title="Diclofenac Carboxylic Acid / Dichlorophenyl Anthranlic acid Impurity">Diclofenac Carboxylic Acid / Dichlorophenyl Anthranlic acid</a>

2-[(2,6-Dichlorophenyl)amino]benzoic acid;N-(2,6-Dichlorophenyl) anthranilic acid

Catalogue No : VL48020


Diclofenac Chloroacetyl Impurity
Diclofenac Chloroacetyl Impurity

N-Chloroacetyl-N-phenyl-2,6-dichloroaniline

Catalogue No : VL48013


Diclofenac Desacetate Impurity / 2,6- Dichlorodiphenylamine
Diclofenac Desacetate Impurity / 2,6- Dichlorodiphenylamine

N-(2,6-Dichlorophenyl)aniline

Catalogue No : VL48019


Diclofenac EP Impurity C/Alcohol Impurity
Diclofenac EP Impurity C/Alcohol Impurity

[2-[(2,6-Dichlorophenyl)amino]phenyl]methanol

Catalogue No : VL48011


Diclofenac Dodecyl Ester
Diclofenac Dodecyl Ester

Dodecyl [2-[(2,6-Dichlorophenyl)amino]phenyl]acetate

Catalogue No : VL48025


Diclofenac Tetradecyl ester
Diclofenac Tetradecyl ester

Tetradecyl [2-[(2,6-Dichlorophenyl)amino]phenyl]acetate

Catalogue No : VL48026


Isopropyl ester of Diclofenac
Isopropyl ester of Diclofenac

Isopropyl [2 - [(2, 6 – dichloro phenyl amino]phenyl]acetate

Catalogue No : VL48006


Diclofenac Benzaldehyde Analog / Diclofenac EP Impurity B
Diclofenac Benzaldehyde Analog / Diclofenac EP Impurity B

2-[(2,6-Dichlorophenyl)amino]benzaldehyde

Catalogue No : VL48010


Diclofenac Oxindole Impurity / Diclofenac EP Impurity E
Diclofenac Oxindole Impurity / Diclofenac EP Impurity E

1,3-Dihydro-2H-indol-2-one

Catalogue No : VL48018


Diclofenac Impurity A
Diclofenac Impurity A

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

Catalogue No : VL48003


1-(2,6-Dichlorophenyl)isatin
1-(2,6-Dichlorophenyl)isatin

1-(2,6-Dichlorophenyl)isatin

Catalogue No : VL48007


2-(2,6-Dichloroanilino)phenylglyoxylic acid / Diclofenac glyoxilic acid
2-(2,6-Dichloroanilino)phenylglyoxylic acid / Diclofenac glyoxilic acid

2-(2,6-Dichloroanilino)phenylglyoxylic acid

Catalogue No : VL48008

CAS No : N/A

Dichlorophenylanthranlic acid
Dichlorophenylanthranlic acid

N-(2,6-Dichlorophenyl)anthranilic acid

Catalogue No : VL48009


Diclofenac Glyceryl Adduct/Diclofenac Glyceryl Impurity
Diclofenac Glyceryl Adduct/Diclofenac Glyceryl Impurity

2,3-dihydroxypropyl 2-(2-((2,6-dichlorophenyl)amino)phenyl)acetate

Catalogue No : VL48027


Diclofenac Related Compound
Diclofenac Related Compound

N-Chloroacetyl-N-phenyl-2,6-dichloroaniline

Catalogue No : VL48004


Diethyldithiocarbamate Impurity
Diethyldithiocarbamate Impurity

Sodium diethyldithiocarbamate

Catalogue No : VL230001


3,4-Dihydroxybenzaldehyde
3,4-Dihydroxybenzaldehyde

1,2-Dihydroxy-4-formylbenzene

Catalogue No : VL420011


Diltiazem EP Impurity E
Diltiazem EP Impurity E

2S,3S)-3-Hydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1,5- benzothiazepin-4(5H)-one

Catalogue No : VL1080003


Diosmin EP Impurity C
Diosmin EP Impurity C

7-[[6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl] oxy] -5-hydroxy-2-(4-hydroxyphenyl)-4H-1-Benzopyran-4-one;

Catalogue No : VL3040001


Diosmin EP Impurity D
Diosmin EP Impurity D

7-[[6-O-(6-Deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl] oxy]-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-6-iodo-4H-1- benzopyran-4-one

Catalogue No : VL3040002


Diosmin EP Impurity B
Diosmin EP Impurity B

(2S)-7-[[6-O-(6-Deoxy-α-L-mannopyranosyl)-β-Dglucopyranosyl]oxy]-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-1-benzopyran-4-one

Catalogue No : VL3040003


<a href="https://www.veeprholabs.com/cas-no-53499-40-4-diphenhydramine-impurity-a.php" target="_blank" title="Diphenhydramine Impurity">Diphenhydramine Impurity A</a>

2-(diphenylmethoxy)-N-methylethanamine

Catalogue No : VL177001

CAS No : 53499-40-4

<a href="https://www.veeprholabs.com/cas-no-91-01-0-diphenhydramine-impurity-d.php" target="_blank" title="Diphenhydramine Impurity">Diphenhydramine Impurity D </a>

Diphenylmethanol(benzhydrol)

Catalogue No : VL177004

CAS No : 91-01-0

Diphenhydramine Impurity E
Diphenhydramine Impurity E

Diphenylmethanone

Catalogue No : VL177005


<a href="https://www.veeprholabs.com/cas-no-3922-74-5-diphenhydramine-N-oxide.php" target="_blank" title="Diphenhydramine Impurity">Diphenhydramine N-oxide</a>

2-(Diphenylmethoxy)-N,N-dimethylethanamine N-Oxide

Catalogue No : VL177006

CAS No : 3922-74-5

<a href="https://www.veeprholabs.com/cas-no-4024-34-4-diphenhydramine-impurity-b.php" target="_blank" title="Diphenhydramine Impurity">Diphenhydramine Impurity B </a>

2-[(RS)-(4-methylphenyl)phenylmethoxy]-N,N-dimethylethanamine

Catalogue No : VL177002

CAS No : 4024-34-4

<a href="https://www.veeprholabs.com/cas-no-1808-12-4-diphenhydramine-impurity-c.php" target="_blank" title="Diphenhydramine Impurity">Diphenhydramine Impurity C </a>

2-[(RS)-(4-bromophenyl)phenylmethoxy]-N,N-dimethylethanamine

Catalogue No : VL177003

CAS No : 1808-12-4

Diphenhydramine Benzhydryl bromide
Diphenhydramine Benzhydryl bromide

Bromodiphenylmethane; Benzhydryl bromide

Catalogue No : VL177008


Diphenhydramine Diphenyl Methane
Diphenhydramine Diphenyl Methane

Benzylbenzene, Methylenedibenzene

Catalogue No : VL177007


Dipyridamole Impurity D
Dipyridamole Impurity D

2,2c-[[6-[(2-hydroxyethyl)amino]-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimido-2-yl]nitrilo]diethanol

Catalogue No : VL47004

CAS No : 1176886-12-6

Dipyridamole Impurity G
Dipyridamole Impurity G

2,6-dichloro-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine

Catalogue No : VL47007

CAS No : 7139-02-8

Dipyridamole Impurity A
Dipyridamole Impurity A

2,2’ -[[4,6,8-tri(piperidin-1-yl)pyrimido[5,4-d]pyrimidin-2-yl]nitrilo]diethanol

Catalogue No : VL47001


Dipyridamole Impurity B
Dipyridamole Impurity B

2,2’,2”,2’’’,2’’’’,2’’’’’[[8-(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2,4,6-triyl]trinitrilo]hexaethanol

Catalogue No : VL47002


Dipyridamole Impurity F
Dipyridamole Impurity F

2,6-Di[di(2-hydroxyethyl)amino]-4-(2-hydroxyethyl)amino-8-(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine

Catalogue No : VL47006


Dipyridamole Impurity C
Dipyridamole Impurity C

2,2’ -[[6-chloro-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2-yl]nitrilo]diethanol

Catalogue No : VL47003

CAS No : 54093-92-4

Dipyridamole Impurity E
Dipyridamole Impurity E

2,2’ ,2’ ’ ,2’ ’ ’ -[[6,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2,4- diyl]dinitrilo]tetraethanol

Catalogue No : VL47005


10- Dec Docetaxel
10- Dec Docetaxel

(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-6-(((2,2-dichloroethoxy)carbonyl)oxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2- b]oxet-

Catalogue No : VL49005


10-Deacetyl Baccatin III
10-Deacetyl Baccatin III

(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a,8,13,13-tetramethyl-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one

Catalogue No : VL49006


Docetaxel Impurity A / 2-Desbenzoyl-2-pentenoyl docetaxel
Docetaxel Impurity A / 2-Desbenzoyl-2-pentenoyl docetaxel

(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)- 1,2a,3,4,4a,6,9,10,11,12,12a,12b-Dodecahydro-4,6,9,11,12,12bhexahydroxy- 4a,8,13,13-tetramethyl-7,11-methano-5Hcyclodeca[ 3,4]benz[1,2-b]oxet-5-one 12b-acetate, 12-[(E)-2- methylbut-2-enoate], 9-ester with (2R,3S)-N-tert-butoxycarbonyl- 3-phenylisoserine

Catalogue No : VL49007


Domperidone EP Impurity A
Domperidone EP Impurity A

5-chloro-1-(piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

Catalogue No : VL700001


Domperidone EP Impurity B
Domperidone EP Impurity B

4-(5-chloro-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-1- carbaldehyde

Catalogue No : VL700002


Domperidone EP Impurity C
Domperidone EP Impurity C

4-(5-Chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-[3-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)propyl]piperidine 1-oxide

Catalogue No : VL700003


Domperidone EP Impurity F
Domperidone EP Impurity F

1,3-bis[3-[4-(5-Chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidin-1-yl]propyl]-1,3-dihydro-2H-benzimidazol-2-one

Catalogue No : VL700004


Domperidone EP Impurity D
Domperidone EP Impurity D

(5-chloro-1-(1-(3-(4-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1- yl)propyl)piperidin-4-yl)-3-(3-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)propyl)-1Hbenzo[ d]imidazol-2(3H)-one

Catalogue No : VL700005


Domperidone EP Impurity E
Domperidone EP Impurity E

1-[3-[4-(5-Chloro-2-oxo-2, 3-dihydro-1H-benzimidazol-1-yl) piperidin-1-yl] propyl]- 3-[3-(2-oxo-2, 3-dihydro-1H-benzimidazol-1-yl)propyl]-1,3-dihydro-2H-benzimidazol-2-one

Catalogue No : VL700006


Donepezil Aldehyde Impurity
Donepezil Aldehyde Impurity

1-(Phenylmethyl)-4-piperidinecarboxaldehyde

Catalogue No : VL173015


Donepezil HCl Impurity
Donepezil HCl Impurity

2,3-Dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one Hydrochloride

Catalogue No : VL173013


Donepezil Pyridine Analog (USP)
Donepezil Pyridine Analog (USP)

5,6-Dimethoxy-2-(pyridin-4-ylmethyl)indan-1-one

Catalogue No : VL173003


Donepezil Pyridine Dehydro Impurity
Donepezil Pyridine Dehydro Impurity

5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone

Catalogue No : VL173016


Donepezil USP Related Compound A / Donepezil Dehydro Impurity
Donepezil USP Related Compound A / Donepezil Dehydro Impurity

(E)-2-[(1-Benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one

Catalogue No : VL173010


Donepezil Desbenzyl Impurity
Donepezil Desbenzyl Impurity

2,3-Dihydro-5,6-dimethoxy-2-(4-piperi dinylmethyl)-1H-inden-1-one Hydrochloride

Catalogue No : VL173012

CAS No : 120013-39-0

Donepezil Impurity 8
Donepezil Impurity 8

4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl) piperidine-1-carbal dehyde

Catalogue No : VL173019

CAS No : 1808997-65-0

Donepezil Open Ring Impurity
Donepezil Open Ring Impurity

2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimetoxybenzoic acid

Catalogue No : VL173001


Hydroxy Donepezil Impurity
Hydroxy Donepezil Impurity

2-[(1-Benzylpiperidin-4-yl)(hydroxyl)methyl]-5,6-dimethoxyindan-1-one

Catalogue No : VL173002


Donepezil Alkene Pyridine N-Oxide
Donepezil Alkene Pyridine N-Oxide

4-[(5,6-Dimethoxy-1-oxo-1H-inden-2-yl)methyl]pyridine 1-oxide

Catalogue No : VL173007


Donepezil Benzyl Bromide Impurity
Donepezil Benzyl Bromide Impurity

1,1-Dibenzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]piperidinium bromide

Catalogue No : VL173004


Donepezil Dehydro Deoxy Impurity
Donepezil Dehydro Deoxy Impurity

1-Benzyl-4-[(5,6-dimethoxyinden-2-yl)methyl] piperidine

Catalogue No : VL173005


Donepezil Deoxy Impurity
Donepezil Deoxy Impurity

1-Benzyl-4-[(5,6-dimethoxyindan-2-yl)methyl] piperidine

Catalogue No : VL173006


Donepezil N-Oxide Impurity
Donepezil N-Oxide Impurity

2,3-Dihydro-5,6-dimethoxy-2-[[cis/trans-1-oxido-1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one

Catalogue No : VL173008


Dorzolamide Impurity B
Dorzolamide Impurity B

(4RS,6SR)-4-(etylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulphonamide7,7-dioxide Hydrochloride

Catalogue No : VL37001

CAS No : 122028-16-4

Dorzolamide Impurity D
Dorzolamide Impurity D

(4S,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride

Catalogue No : VL37002

CAS No : 154154-90-2

Doxepin D impurity
Doxepin D impurity

(3Z)-3-(Dibenz[b,e]oxepin-11(6H)-ylidene)-N,N-dimethyl-1-propanamine Hydrochloride; (Z)-3-(Dibenz[b,e]oxepin-11(6H)-ylidene)-N,N-dimethyl-1-propanamine Hydrochloride

Catalogue No : VL2860002


Doxepin EP A impurity/Doxepin Related Compound A
Doxepin EP A impurity/Doxepin Related Compound A

6,11-Dihydrodibenz[b,e]oxepin-11-one

Catalogue No : VL2860003


Doxepin EP B impurity
Doxepin EP B impurity

(11RS)-11-[3-(dimethylamino)propyl]-6,11-dihydrodibenzo[b,e]oxepin-11-ol

Catalogue No : VL2860004


Doxepin EP C impurity/ Doxepin USP related Compound C
Doxepin EP C impurity/ Doxepin USP related Compound C

(E)-3-Dibenz[b,e]oxepin-11(6H)-ylidene-N-methyl-1-propanamine Hydrochloride

Catalogue No : VL2860005


Doxepin N-Oxide impurity
Doxepin N-Oxide impurity

3-Dibenz[b,e]oxepin-11(6H)-ylidene-N,N-dimethyl-1-propanamine N-Oxide

Catalogue No : VL2860001


4-epi-6-epidoxycycline/ Doxycycline EP Impurity D
4-epi-6-epidoxycycline/ Doxycycline EP Impurity D

(4R,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,10,12,12apentahydroxy- 6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12aoctahydrotetracene- 2-carboxamide

Catalogue No : VL159003


Doxycycline EP Impurity F (2-Acetyl-2- Decarbamoyldoxycycline)
Doxycycline EP Impurity F (2-Acetyl-2-  Decarbamoyldoxycycline)

4S,4aR,5S,5aR,6R,12aS)-2-acetyl-4-(dimethylamino)- 3,5,10,12,12a-pentahydroxy-6-methyl-4a,5a,6,12atetrahydrotetracene-1,11(4H,5H)-dione

Catalogue No : VL159002


Doxycycline Related Compound C / Doxycycline Impurity 8
Doxycycline Related Compound C / Doxycycline Impurity 8

(4s,4aR,5s,5aR,6R,12aS)-4-(dimethylamino)-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide

Catalogue No : VL159001


Doxylamine Succinate Impurity C
Doxylamine Succinate Impurity C

N, N-dimethyl-2-[(RS)-1-phenyl(pyridine-2- yl)methoxy]ethanamine

Catalogue No : VL38003


Doxylamine Di-N-Oxide
Doxylamine Di-N-Oxide

N,N-Dimethyl-2-[1-phenyl-1-(2-pyridinyl)ethoxy]-ethanamine N,N’-dioxide

Catalogue No : VL38006


Doxylamine Succinate Impurity B
Doxylamine Succinate Impurity B

(1RS)-1-phenyl-1-(pyridine-2-yl) ethanol

Catalogue No : VL38002


Doxylamine Succinate Impurity D
Doxylamine Succinate Impurity D

Phenyl(pyridin-2-yl)methanone (2-benzoylpyridine)

Catalogue No : VL38004


Doxylamine Succinate Impurity A
Doxylamine Succinate Impurity A

N,N-dimethyl-2-[1(RS)-1-phenyl-1-(pyridine-4- yl)ethoxy]ethanamine

Catalogue No : VL38001


Doxylamine N-oxide
Doxylamine N-oxide

N, N-Dimethyl-2-[1-phenyl-1-(2-pyridinyl)ethoxy]ethanamine Noxide

Catalogue No : VL38005


Doxylamine phenyl (pyridin-2-yl)Methanol
Doxylamine phenyl (pyridin-2-yl)Methanol

phenyl(pyridin-2-yl)methanol

Catalogue No : VL38007


Drotaverine Acid Impurity
Drotaverine Acid Impurity

3,4-Diethoxyphenyl Acetic Acid

Catalogue No : VL36001


Drotaverine Amine Impurity
Drotaverine Amine Impurity

2-(3,4 Diethoxy Phenyl) ethanamine

Catalogue No : VL36003


Drotaverine Amide Impurity
Drotaverine Amide Impurity

N-[2-(3, 4-Diethoxyphenyl) ethyl]-3, 4-diethoxybenzeneacetamide

Catalogue No : VL36004


Drotaveraldine Impurity
Drotaveraldine Impurity

(5,6 Di ethoxy-3,4 dihydroisoquiniline 1-yl)(3,4diehoxy phenyl) methanone.

Catalogue No : VL36002


Duloxetine Inhouse RC-A/ Duloxetine Phenyl Carbamate/ (S) Duloxetine Impurity A
Duloxetine Inhouse RC-A/ Duloxetine Phenyl Carbamate/ (S) Duloxetine Impurity A

N-Methyl-N-[(3S)-3-(1-naphthalenyloxy)-3-(2-thienyl)propyl]carbamic Acid Phenyl Ester

Catalogue No : VL202010


Duloxetine Dimethylamino propanol Impurity
Duloxetine Dimethylamino propanol Impurity

(±)-3-(N-Methylamino)-1-(2-thienyl)-1-propanol

Catalogue No : VL202014


Duloxetine EP D Impurity
Duloxetine EP D Impurity

1-Naphthalenol

Catalogue No : VL202015


Duloxetine Related Compound H Impurity
Duloxetine Related Compound H Impurity

4-[Methyl[(3S)-3-(1-naphthalenyloxy)-3-(2-thienyl)propyl]amino]-4-oxobutanoic Acid

Catalogue No : VL202013


Duloxetine pthalamide
Duloxetine pthalamide

2-[[Methyl[(3S)-3-(1-naphthalenyloxy)-3-(2-thienyl)propyl]ami Acid

Catalogue No : VL202011


Duloxetine Impurity A / Duloxetine R-Isomer
Duloxetine Impurity A / Duloxetine R-Isomer



Catalogue No : VL202001

CAS No : 947686-09-1

Duloxetine EP Impurity B
Duloxetine EP Impurity B

(S)-3-(methylamino)-1-(thiophen-2-yl)propan-1-ol.

Catalogue No : VL202002


Duloxetine 4-Napthyl Isomer / Duloxetine EP Impurity C
Duloxetine 4-Napthyl Isomer / Duloxetine EP Impurity C

4-[(1RS)-3-(Methylamino)-1-(thiophen-2-yl)propyl]naphthalen-1- ol HCl

Catalogue No : VL202012


Dutasteride EP C Impurity
Dutasteride EP C Impurity

(4aR,4bS,6aS,7S,9aS,9bS,11aR)-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-Tetradecahydro-4a,6a-dimethyl-2-oxo-1H-Indeno[5,4-f]quinoline-7-carboxylic Acid Ethyl Ester

Catalogue No : VL225006


Dutasteride EP impurity E
Dutasteride EP impurity E

N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5α-androst-1-ene- 17α-carboxamide

Catalogue No : VL225007


Dutasteride Beta Isomer / 5 Beta Dutasteride
Dutasteride Beta Isomer / 5 Beta Dutasteride

17β-N-[2,5-bis (Trifluoromethyl)phenyl] Carbamoyl-4-aza-5β -androst-1-en-3-one

Catalogue No : VL225001


Dutasteride Acid Impurity / Dutasteride Impurity A
Dutasteride Acid Impurity / Dutasteride Impurity A

3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid

Catalogue No : VL225002


Dutasteride Dihydro Impurity
Dutasteride Dihydro Impurity

17β-N-[2,5-bis (Trifluoromethyl)phenyl] Carbamoyl-4-aza-5α-androstene-3-one

Catalogue No : VL225003


Dutasteride Ester Impurity
Dutasteride Ester Impurity

3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester

Catalogue No : VL225004