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Name of parent drug:
Salmeterol

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

CAS No : 1330076-52-2

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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

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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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Salmeterol Impurity F
Salmeterol Impurity F

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

Catalogue No : VL134001

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



Catalogue No : VL196001

CAS No : 52758-05-1

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

(R)-4-(3,4-Dichlorophenyl)-1-tetralone

Catalogue No : VL196002

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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

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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

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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

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Sertraline Impurity A
Sertraline 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

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<a href="CAS-No-1391053-95-4-Sildenafil-Impurity-A.php" target="blank">Sildenafil EP Impurity A / Sildenafil Related Compound A / Sildenafil Isobutyl Analog</a>

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

CAS No : 1391053-95-4

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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

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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

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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

CAS No : NA

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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

CAS No : 139756-03-9

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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

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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

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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

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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

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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 : VL133009

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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

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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

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

2,2-Dimethylbutanoic Acid (1S,3R,7S,8S,8aR)-8-[2-[(2R2R,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

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Simvastatin Impurity-C/Anhydro Simvastatin
Simvastatin Impurity-C/Anhydro Simvastatin

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

Catalogue No : VL133006

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

(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 : VL133008

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Simvastatin Lovastatin(Impurity E)
Simvastatin Lovastatin(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 : VL1330010

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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 : VL133007

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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

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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

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

2,4-Difluorophenylacetic acid

Catalogue No : VL201004

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

2,5-difluoro-phenyl acetic acid

Catalogue No : VL201003

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

(3,4-difluorophenyl)acetic acid)

Catalogue No : VL201002

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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

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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

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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

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Solifenacin Impurity A
Solifenacin Impurity A

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

Catalogue No : VL131001

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Solifenacin Impurity C
Solifenacin Impurity C

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

Catalogue No : VL131003

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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

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Solifenacin SS Methanone Impurity
Solifenacin SS Methanone Impurity

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

Catalogue No : VL131007

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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

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Solifenacin Impurity B
Solifenacin Impurity B

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

Catalogue No : VL131002

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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

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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

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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

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Sulpiride Impurity D
Sulpiride Impurity D

2-methoxy-5-sulphamidobenzoic acid or 2-methoxy-5-sulfamoylbenzoic acid.or 2-methoxy-5-sulfamoylbenzoic acid.

Catalogue No : VL139001

CAS No : 22117-85-7

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Sulpiride Impurity B
Sulpiride Impurity B

(2-methoxy-5-sulphamidobenzoic acid methyl ester) or (Methyl 2-methoxy-5-sulfamoylbenzoate)

Catalogue No : VL139002

CAS No : 33045-52-2

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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

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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

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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

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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

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