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Name of parent drug:
Salmeterol

Salmeterol Impurity F
Salmeterol Impurity F

(1RS)-1-(4-hydroxy-3-methylphenyl)-2-[[6-(4-phenylbutoxy)hexyl]amino]ethanol

Catalogue No : VL134001


Salmeterol Impurity G
Salmeterol Impurity G

1-[4-hydroxy-3-[[[2-hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl][6-(4-phenylbutoxy)hexyl]amino]methyl]phenyl]-2-[[6-(4-phenylbutoxy)hexyl]amino]ethanol

Catalogue No : VL134002


Salmeterol Impurity H
Salmeterol Impurity H

1-hydroxy-4[[2-hydroxy-5-[1-hydroxy-2-[[6-(-(4-phenylbutoxy)hexyl]amino]ethyl]phenyl]methyl]-2-naphthalenecarboxilic acid

Catalogue No : VL134003


Salmeterol Impurity A / Salmeterol Related Compound A
Salmeterol Impurity A / Salmeterol Related Compound A

1-[4-Hydroxy-3-(hydroxymethyl)phenyl]-2-[(4-phenylbutyl)amino] ethanol

Catalogue No : VL134004





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Sertraline EP Impurity G
Sertraline EP Impurity G

(1R,4R)-4-(3,4-Dichlorophenyl)-N-methyl-1,2,3,4-tetrahydronaphthalen-1-amine hydrochloride

Catalogue No : VL196003


Sertraline Impurity B / Sertraline EP Impurity B
Sertraline Impurity B / Sertraline EP Impurity B


Catalogue No : VL196001


Sertraline Impurity F / Sertraline EP Impurity F
Sertraline Impurity F / Sertraline EP Impurity F


Catalogue No : VL196002


Sertraline EP Impurity A
Sertraline EP Impurity A

Sertraline USP Related Compound A ; Sertraline trans-Isomer ;trans-4-(3,4- Dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl -1-naphthalen amine hydrochloride

Catalogue No : VL196009


Sertraline Related Compound-2
Sertraline Related Compound-2

(1R,4R)-Trans-4-(3,4-dichlorophenyl-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine hydrochloride

Catalogue No : VL196005


Sertraline Related Compound-1
Sertraline Related Compound-1

(1R,4R)-Cis-4-(3,4-dichlorophenyl-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine hydrochloride

Catalogue No : VL196004


Sildenafil EP Impurity A / Sildenafil Related Compound A / Sildenafil Isobutyl Analog
Sildenafil EP Impurity A / Sildenafil Related Compound A / Sildenafil Isobutyl Analog

5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one

Catalogue No : VL136003


Sildenafil Related Compound 01 / Sildenafil Di-Amide Impurity
Sildenafil Related Compound 01 / Sildenafil Di-Amide Impurity

4-(2-Ethoxybenzamido)-1-methyl-3-n-propylpyrazole-5- carboxamide

Catalogue No : VL136011


Sildenafil Lactam Impurity / Sildenafil Ethoxy phenyl / Sildenafil Related Compound 02
Sildenafil Lactam Impurity / Sildenafil Ethoxy phenyl / Sildenafil Related Compound 02

5-(2-Ethoxy phenyl)-1-methyl-3n-propyl-1,6-dihydro-7H-pyrazolo[4,3- d]pyrimidine-7-one.

Catalogue No : VL136007


Sildenafil Related Compound 03
Sildenafil Related Compound 03

1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-5-yl)-4- ethoxy phenyl]sulfonyl]-piperazine.

Catalogue No : VL136008


Sildenafil Piperazine Impurity / Sildenafil N-Desmethyl
Sildenafil Piperazine Impurity / Sildenafil N-Desmethyl

5-[2-Ethoxy-5-(piperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[5,4- e]pyrimidin-7-one

Catalogue No : VL136017


Sildenafil Related Compound 06
Sildenafil Related Compound 06

4-{[4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3- d]pyrimidin-5-yl)phenyl]sulfonyl}-1-methylhexahydropyrazin-1-ium-1-olate

Catalogue No : VL136010


Sildenafil Impurity D / Desmethyl piperazinyl, Sildenafil Sulfonic acid
Sildenafil Impurity D / Desmethyl piperazinyl, Sildenafil Sulfonic acid

3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic acid

Catalogue No : VL136004


Sildenafil Impurity C / O-desethyl Sildenafil
Sildenafil Impurity C / O-desethyl Sildenafil

5-[2-Hydroxy-5-(4-methylpiperazinylsulphonyl)phenyl]1-methyl-3-n-propyl-1,6- dihydro-7H-pyrazolo[4,3-d]pyramidin-7-one

Catalogue No : VL136002


Sildenafil Dimer Impurity / Sildenafil Citrate Related Compound-04
Sildenafil Dimer Impurity  / Sildenafil Citrate Related Compound-04

5-{2-Ethoxy-5-[(4-{[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1Hpyrazolo[ 4,3-d]pyrimidin-5-yl)phenyl]sulfonyl}piperazino) sulfonyl]phenyl}-1-methyl-3-propyl- 6,7-dihydro-1H-Pyrazol[4,3-d]Pyrimidin-7-one

Catalogue No : VL136001


Simvastatin Impurity E & F mixture
Simvastatin Impurity E & F mixture

(1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2R)-2-methylbutanoate.

Catalogue No : VL133008


Simvastatin Impurity F
Simvastatin Impurity F

(1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2R)-2-methylbutanoate.

Catalogue No : VL133001


Simvastatin Impurity-A/Simvastatin Hydroxy Acid Impurity A
Simvastatin Impurity-A/Simvastatin Hydroxy Acid Impurity A

(3R,5R)-7-[(1S,2S,6R,8S,8aR)-8-[(2,2-dimethylbutanoyl)oxy]-2,6-dimethyl-1,2,6,7,8,8ahexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoic sodium

Catalogue No : VL133002


Simvastatin Impurity-B/Acetyl Simvastatin
Simvastatin Impurity-B/Acetyl Simvastatin

2,2-Dimethylbutanoic Acid (1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-(Acetyloxy)tetrahydro -6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-1-naphthalenyl Ester

Catalogue No : VL133005


Simvastatin Anhydro Sodium Salt / Simvastatin Impurity C
Simvastatin Anhydro Sodium Salt / Simvastatin Impurity C

2,2-Dimethylbutanoic Acid (1S,3R,7S,8S,8aR)-8-[2-[(2R)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-1-naphthalenyl Ester

Catalogue No : VL133003


Simvastatin Impurity-D/Simvastatin Dimer
Simvastatin Impurity-D/Simvastatin Dimer

(2R,4R)-((2R,4S)-2-(2-((1R,2S,6R,8S,8aR)-8-(2,2-dimethylbutanoyloxy)-2,6- dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)ethyl)-6-oxo-tetrahydro-2H-pyran-4-yl)methyl6-((1S,2S,6R,8S,8aR)-8-(2,2-dimethylbutanoyloxy)-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)-2,4-dihydroxyhexanoate

Catalogue No : VL133004


Simvastatin Impurity-G/Methylene Simvastatin Impurity-G
Simvastatin Impurity-G/Methylene Simvastatin Impurity-G

(1S,7S,8S,8aR)-8-[2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-7- methyl-3-methylene-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate

Catalogue No : VL133007


Simvastatin Lovastatin / Simvastatin Impurity E
Simvastatin Lovastatin / Simvastatin Impurity E

(1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-hydroxy-6-oxooxan-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2S)-2-methylbutanoate

Catalogue No : VL133009


Simvastatin methyl ester
Simvastatin methyl ester

βR,δR,1S,2S,6R,8S,8aR)-8-(2,2-Dimethyl-1-oxobutoxy)-1,2,6,7,8,8a-hexahydro-β,δ-dihydroxy-2,6-dimethyl-1-naphthaleneheptanoic Acid Methyl Ester.

Catalogue No : VL133006


Sitagliptin Fumarate Adduct
Sitagliptin Fumarate Adduct

2-((S)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro- [1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5- trifluorophenyl)butan-2-ylamino)succinic acid

Catalogue No : VL201021


Sitagliptin Inhouse Impurity C (Sitagliptin Triazole Impurity)
Sitagliptin Inhouse Impurity C (Sitagliptin Triazole Impurity)

3-(trifluromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazole[4,3-a]pyrazine hydrochloride

Catalogue No : VL201019


Sitagliptin Triazecine Analog
Sitagliptin Triazecine Analog

10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro [1,2,4] triazolo [3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione

Catalogue No : VL201018


Sitagliptin S-Isomer
Sitagliptin S-Isomer

3S)-3-amino-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)butan-1-one phosphate salt

Catalogue No : VL201001


Sitagliptin EP Impurity C
Sitagliptin EP Impurity C

-(R)-3-amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin- 7(8H)-yl)-4-(2,4-difluorophenyl)butan-1-one

Catalogue No : VL201005


Sitagliptin EP Impurity B
Sitagliptin EP Impurity B

(R)-3-amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,5-difluorophenyl)butan-1-one

Catalogue No : VL201006


2,4-Difluorophenylaetic acid
2,4-Difluorophenylaetic acid

2,4-Difluorophenylacetic acid

Catalogue No : VL201004


2,5-difluoro-phenyl acetic acid
2,5-difluoro-phenyl acetic acid

2,5-difluoro-phenyl acetic acid

Catalogue No : VL201003


3,4-difluorophenyl acetic acid
3,4-difluorophenyl acetic acid

(3,4-difluorophenyl)acetic acid)

Catalogue No : VL201002


Solifenacin Impurity A
Solifenacin Impurity A

(1S)-1-Phenyl-1,2,3,4-tetrahydro- isoquinoline

Catalogue No : VL131001


RS Solifenacin Impurity
RS Solifenacin Impurity

(1R)-(3S)-1-Azabicyclo[2,2,2]oct-3-yl 3,4-Dihydro-1-phenyl-2(1H)- isoquinolinecarboxylate

Catalogue No : VL131004


Solifenacin Impurity B
Solifenacin Impurity B

1-azabicyclo[2,2,2]oct-3-yl-(1S)-1-phenyl-3,4-dihydro-1H-isoquinoline-2-carboxylate-N-oxide.

Catalogue No : VL132002


RR Solifenacin Impurity
RR Solifenacin Impurity

(1R)-(3R)-1-Azabicyclo[2,2,2]oct-3-yl 3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylate

Catalogue No : VL131005


Solifenacin Impurity C
Solifenacin Impurity C

(1S)-Ethyl-3, 4-dihydro-1-phenyl-2(1H)-isoquinolinecarboxylate

Catalogue No : VL132003


Solifenacin Related Compound 19 / Solifenacin Succinate Impurity
Solifenacin Related Compound 19 / Solifenacin Succinate Impurity

(+)-(R)-Quinuclidin-3-yl-2-benzoyl carbamate

Catalogue No : VL131014

CAS No : 1427376-05-3

Solifenacin SS Methanone Impurity
Solifenacin SS Methanone Impurity

Bis [(1S)-1-phenyl-3, 4-dihydroisoquinolin-2-yl] methanone

Catalogue No : VL131007


Solifenacin RS Methanone Impurity
Solifenacin RS Methanone Impurity

((R)-1-phenyl-3, 4-dihydroisoquinolin-2(1H)-yl) ((S)-1-phenyl-3, 4- dihydroisoquinolin-2(1H)-yl) methanone

Catalogue No : VL131008


SS Solifenacin Impurity
SS Solifenacin Impurity

(1S)-(3S)-1-Azabicyclo[2,2,2]oct-3-yl 3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylate

Catalogue No : VL131006


Sulpiride Impurity D
Sulpiride Impurity D

2-methoxy-5-sulphamidobenzoic acid

Catalogue No : VL139001


Sulpiride Impurity B
Sulpiride Impurity B

(2-methoxy-5-sulphamidobenzoic acid methyl ester)

Catalogue No : VL139002


Sumatriptan EP Impurity C / Sumatriptan USP Related Compound C
Sumatriptan EP Impurity C / Sumatriptan USP Related Compound C

[3-[2-(Dimethyl amino) ethyl]-1-(hydroxy methyl)-1H-indol-5-yl]- Nmethylmethanesulphonamide

Catalogue No : VL950005


Sumatriptan EP Impurity B
Sumatriptan EP Impurity B

N-Methyl[3-[2-(methylamino)ethyl]-1H-indol-5-yl] methane sulphon amide; NDesmethyl Sumatriptan

Catalogue No : VL950001


Sumatriptan EP Impurity G
Sumatriptan EP Impurity G

N-Methyl(2-methyl-2,3,4,9-tetrahydro-1Hpyrido[3,4-b]indol-6-yl) methane sulphonamide formate

Catalogue No : VL950002


Sumatriptan EP Impurity F
Sumatriptan EP Impurity F

N-Methyl(2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-6-yl) methane sulphonamide.Succcinate salt

Catalogue No : VL950003