Name of the API Name of the impurity CAS No. Pack size mg

Stock position

Amorolfine

(2RS, 6SR)-4-[(2RS)-3-[4-(1, 1-

dimethylpropyl) phenyl]-2-

methylpropyl]-2,6-

dimethyl morpholine-4-oxide.

Impurity A

78613-39-5 50 100 200 500

In stock

Mixture of N-[(2R)-3-[4-(1,1-

dimethylpropyl)-phenyl]-2-

methylpropyl]-N-[(2RS)-(2-

methylperoxy)propyl]formamide and N-

[(2S)-3-[4-(1,1-dimethylpropyl)-phenyl]-

2-methyl propyl]-N-[(2RS)-(2-

methylperoxy)propyl]formamide

Impurity B

142347-84-0 50 100 200 500

In stock

(2RS, 6SR)-4-[(2RS)-2-methyl-3-

phenylpropyl]-2,6-dimethylmorpholine

Impurity C

78613-37-3 50 100 200 500

In stock

(2RS, 6SR)-4-[(2RS)-3-[4-(1,1-

dimethylethyl)phenyl]-2-methylpropyl]-

2,6-dimethylmorpholine

Impurity D

50 100 200 500

In stock

Mixture of (2RS, 6RS)-4-[(2R)-3-[4-(1,1-

dimethylpropyl)phenyl]-2-methylpropyl]

-2,6-dimethyl morpholine and (2RS, 6RS)-

4-[(2S)- 3-[4-(1,1-

dimethylpropyl)phenyl]-2-methyl

propyl]-2,6-dimethyl morpholine EP impurity E

78613-38-4 50 100 200

In stock

1-[4-(1, 1-dimethylpropyl) phenyl]

propan-1-one EP impurity F

50 100 200 500

In stock

(2RS)-3-[(2RS, 6SR)-2, 6-

dimethylmorpholin-4-yl]-1-[4- (1,1-

dimethylpropyl) phenyl]-2-

methylpropan-1-one EP impurity G

50 100 200 500

In stock

2-[(2RS)-3-[(2RS, 6SR)-2,6-

dimethylmorpholin-4-yl]-2-

methylpropyl]-5-(1,1-

dimethylpropyl)phenol. EP impurity H

50 100 200 500

In stock

(2RS, 6SR)-4-[(2RS)-3-[4-(1,2-

dimethylpropyl)phenyl]-2-methylpropyl]-

2,6-dimethylmorpholine EP impurity I

67468-13-7 50 100 200 500

In stock

(2RS, 6SR)-4-[(2RS)-3-[3-(1,1-

dimethylpropyl)phenyl]-2-methylpropyl]-

2,6-dimethylmorpholine EP impurity J

50 100 200 500

In stock

(2RS, 6SR)-4-[(2RS)-3-[4-(1-ethyl-1-

methylpropyl)phenyl]-2-methylpropyl]-

2,6-dimethylmorpholine EP impurity K

50 100 200 500

In stock

(2RS, 6SR)-4-[(2RS)-3-[3,5-bis(1,1-

dimethylpropyl) phenyl]-2-

methylpropyl]-2,6-dimethylmorpholine EP impurity L

50 100 200 500

In stock

Dabigatran

3-({2-[(4-Hexyloxycarbonylaminocarbonyl-phenylamino)-methyl]-1-methyl-1H-benzoimidazole- 5-carbonyl}-pyridin-2-yl-amino)-propionic acid ethyl ester

1408238-40-3

50 100 200 500

In stock

3-({2-[(4-Hexyloxycarbonylaminocarbonyl-phenylamino)-methyl]-1-methyl-1H-benzoimidazole-5-carbonyl}-pyridin-2-yl-amino)-propionic acid

1408238-37-8 50 100 200 500

In stock

3-({2-[(4-Carbamimidoyl-phenylamino)-methyl]-1-methyl-1H-benzoimidazole-5-carbonyl}-pyridin-2-yl-amino)-propionic acid

211914-51-1 50 100 200 500

In stock

2-{[4-(Amino-hexyloxycarbonylimino-methyl)-phenylamino]-methyl}-1-methyl-1H-benzoimidazole-5-carboxylic acid ethyl ester

140238-36-7 50 100 200 500

In stock

2-[(4-Carbamimidoyl-phenylamino)-methyl]-1-methyl-1H-benzimidazole-5-carboxylic acid

50 100 200

In stock

500

Duloxetine hydrochloride

(3R)-N-methyl-3-(naphthalen-1-yloxy)-

3-(thiophen-2-yl) propan-1-amine Duloxetine EP impurity A

116539-60-7 50 100 200 500

In stock

(1S)-3-(methyl amino)-1-(thiophen-2-yl)

propan-1-ol

Duloxetine EP impurity B

116539-55-0 50 100 200 500

4-[(1RS)-3-methylamino)-1-(thiophen-2-

yl) propyl] naphthalene-1-ol Duloxetine EP impurity C

949095-98-1

50 100 200 500

In stock

1-[(1RS)-3-(methyl amino)-1-(thiophen-

2-yl) propyl] naphthalene-2-ol

Duloxetine EP impurity E

1033803-59-6

1033719-36-6

(HCl salt)

50 100 200 500

(3S)-N-methyl-3-(naphthalene-1-yloxy)-

3-(thiophen-3-yl)propan-1-amine Duloxetine EP impurity F

116817-28-8 50 100 200 500

In stock

1-fluoronaphthalene Duloxetine EP impurity G

321-38-0 50 100 200 500

Donepezil

Hydrochloride

5, 6-Dimethoxy-2-(piperidin-4-

ylmethyl)-indan-1-one

Impurity A (USP)

120014-30-4

50 100 200 500

(E)-4-[(5,6-Dimethoxy-1-oxo-1H-inden-

2-yl)methyl]pyridine1-oxide

Impurity B (USP)

50 100 200 500

1-Benzyl-4-[(5,6-dimethoxy-1-oxo-2,3-

dihydro-1H -inden-2-yl)methyl]

piperidine 1-oxide

Impurity C (USP)

50 100 200 500

5,6-Dimethoxy-2-(pyridin-4-

ylmethyl)indan-1-one

Impurity D (USP)

4803-57-0 50 100 200 500

2-[(1-Benzylpiperidin-4-yl) methyl]-3-

hydroxy-5, 6-dimethoxy-1H-indan-1-

one

Impurity E (USP)

50 100 200 500

2-[(1-Benzylpiperidin-4-

yl)(hydroxy)methyl]-5,6-

dimethoxyindan-1-one

Impurity F (USP)

50 100 200 500

1,1-Dibenzyl-4-[(5,6-dimethoxy-1-

oxoindan-2-yl)methyl]piperidinium

Impurity G (USP)

50 100 200 500

1-Benzyl-4-[(5,6-dimethoxyinden-2-

yl)methyl]piperidine

Impurity H (USP)

120013-45-8 50 100 200 500

1-Benzyl-4-[(5,6-dimethoxyinden-2-

yl)methyl]piperidine

Impurity I (USP)

1034439-57-0 50 100 200 500

Esomeprazole Magnesium di and trihydrate

5-methoxy-1H-benzimidazole-2-thiol

Impurity A

37052-78-1 50 100 200 500

In stock

2-[(RS)-[(3,5-dimethylpyridin-2-

yl)methyl]sulfinyl]-5-methoxy-1H-

benzimidazole. Impurity B

110374-16-8 50 100 200 500

In stock

5-methoxy-2-[[(4-methoxy-3,5-

dimethylpyridin-2-yl)-

methyl]sulfanyl]-1H- benzimidazole. Impurity C

73590-85-9 50 100 200 500

In stock

5-methoxy-2-[[(4-methoxy-3,5-

dimethylpyridin-2-yl)-

88546-558 50 100

In stock

methyl]sulfonyl]-1H-

benzimidazole (omeprazole sulfone)

Impurity D

200 500

4-methoxy-2-[[(RS)-(5-methoxy-1H-

benzimidazol-2-yl)sulfinyl]methyl]-

3, 5-

dimethylpyridin-1-oxide.

Impurity E

176219-04-8 50 100 200 500

5-methoxy-2-[(R)-[(4-methoxy-3,5-

dimethylpyridin-2-

yl)methyl]sulfinyl]-1H-

benzimidazole ((R)-omeprazole)

Impurity F

119141-89-8 50 100 200 500

Itraconazole

4-[4-[4-(4-methoxyphenyl)

piperazin-1-yl]phenyl]-2-[(1RS)-1-

methylpropyl]- 2,4-dihydro-3H-1,2,4-triazol-3-

one.Itraconazole EP impurity A

252964-68-4

50 100 200 500

4-[4-[4-[4[[cis-2-(2,4-

dichlorophenyl)-2-(4H-1,2,4]triazol-

4-ylmethyl)-1,3dioxolan-4-yl]

methoxy]-phenyl]piperazin-1-

yl]phenyl]-2-[(1RS)-1-

methylpropyl]-2,4-dihydro-3H-1,2,4-

triazol-3-one

Itraconazole impurity B

854372-77-3

50 100 200 500

4-[4-[4-[4-[[Cis-2-(2,4-dichlorophenyl)-2-

(1H-1,2,4]triazol-1-ylmethyl)-1,3-

dioxolan- 4-yl]methoxy]-phenyl]-

piperazin-1-yl)phenyl-2-propyl-2,4-

dihydro-3H-1,2,4-triazol-3-

one.Itraconazole EP impurity C

74855-91-7

50 100 200 500

In stock

4-[4-[4-[4-[[Cis-2-(2,4-

dichlorophenyl)-2-(1H-1,2,4-triazol-

1-ylmethyl)-1,3-dioxolan-4-yl]

methoxy]phenyl]piperazin-1-

yl]phenyl]-2-(1-methylethyl)-2,4-

dihydro-3H-1,2,4- triazol-3-one.

89848-49-7

50 100 200 500

In stock

Itraconazole EP impurity D

4-[4-[4-[4-[[trans-2-(2,4-

dichlorophenyl)-2-(1H-1,2,4-triazol-

1-ylmethyl)-1,3-dioxolan-4-yl]

methoxy]phenyl]piperazin-1-

yl]phenyl]-2-[(1RS)-1-

methylpropyl]-2,4-

dihydro-3H-1, 2,4-triazol-3-one . Itraconazole EP impurity E

84604-65-9 50 100 200 500

In stock

2-butyl-4-[4-[4-[4-[[cis-2-(2,4-

dichlorophenyl)-2-(1H-1,2,4-triazol-

1ylmethyl)-1,3-dioxolan-4-

yl]methoxy]phenyl]piperazin-1-

yl]phenyl]-2,4-dihydro-3H-1,2,4-triazol-

3-one Itraconazole EP impurity F

89848-51-1 50 100 200 500

In stock

4-[4-[4-[4-[[cis-2-(2,4-

dichlorophenyl)-2-(1H-1,2,4-triazol-

1-ylmethyl)-1,3-dioxolan-4-yl]

methoxy]phenyl]piperazin-1-

yl)phenyl]-2-[[cis-2-(2,4-dichloro

phenyl)-2-[1H- 1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-

4-yl]methyl]-2,4-dihydro-3H-1,2,4-

triazol-3-one Itraconazole EP impurity G

50 100 200 500

In stock

Lansoprazole

2-[[[3-Methyl-1-oxido-4-(2,2,2-

trifluoroethoxy)-2-

pyridinyl]methyl]sulfinyl]-1H-

benzimidazole

Lansoprazole N-oxide Lansoprazole EP impurity A

213476-12-1 50 100 200 500

In stock

Lansoprazole Sulfone Lansoprazole EP impurity B

131926-99-3 50 100 200 500

In stock

2-[(RS)-[(4-Chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole Lansoprazole EP impurity F

103312-62-5 In stock

Omeprazole

5-methoxy-1H-benzimidazole-2-thiol 37052-78-1 50 In stock

Omeprazole EP impurity A 100 200 500

2-[(RS)-[(3,5-dimethylpyridin-2-

yl)methyl]sulfinyl]-5-methoxy-1H-

benzimidazole.

Omeprazole EP impurity B

110374-16-8 50 100 200 500

In stock

5-methoxy-2-[[(4-methoxy-3,5-

dimethylpyridin-2-yl)-

methyl]sulfanyl]-1H- Benzimidazole,

Omeprazole EP impurity C

73590-85-9 50 100 200 500

In stock

5-methoxy-2-[[(4-methoxy-3,5-

dimethylpyridin-2-yl)-

methyl]sulfonyl]-1H-

benzimidazole (omeprazole sulfone)

Omeprazole EP impurity D

88546-55-8

50 100 200 500

In stock

4-methoxy-2-[[(RS)-(5-methoxy-1H-

benzimidazol-2-yl) sulfinyl]

methyl]-3, 5-

dimethylpyridin-1-oxide.

Omeprazole EP impurity E

176219-04-8 50 100 200 500

In stock

1, 3-Dimethyl-8-methoxy-12-

thioxopyrido [1′, 2′:3, 4] imidazo [1,

2-a]Benzimidazol-2(12H)-one

Omeprazole EP impurity F

125656-82-8

50 100 200 500

In stock

1, 3-Dimethyl-9-methoxy-12-

thioxopyrido [1′, 2′:3, 4] imidazo [1,

2-a]Benzimidazol-2(12H)-one

Omeprazole EP impurity G

125656-83-9 50 100 200 500

In stock

2-[[(4-Chloro-3, 5-dimethyl-2-

pyridinyl) methyl] sulfinyl]-5-

methoxy-1H-benzimidazole

Omeprazole EP impurity H

863029-89-4 50 100 200 500

In stock

5-Methoxy-2-[[(4-methoxy-3, 5-

dimethylpyridin-2-yl) methyl]

sulphonyl]-1H-benzimidazole N-

Oxide. Omeprazole EP impurity I

158812-85-2 50 100 200 500

In stock

Pantoprazole Sodium Sesqihydrate

5-(difluoromethoxy)-2-[[(3, 4-

dimethoxypyridin-2-yl) methyl]

sulfonyl]-1H-benzimidazole Pantoprazole Sodium Sesquihydrate EP impurity A

127780-16-9 50 100 200 500

In stock

5-(difluoromethoxy)-2-[[(3, 4-

dimethoxypyridin-2-yl) methyl]

sulfanyl]-1H-benzimidazole.

Pantoprazole EP impurity B

102625-64-9 50 100 200 500

In stock

5-(difluoromethoxy)-1H-benzimidazole-

2-thiol. Pantoprazole EP impurity C

97963-62-7 50 100 200 500

In stock

5-(difluoromethoxy)-2-[(RS)-[(3,4-

dimethoxypyridin-2-

yl)methyl]sulfinyl]-1-methyl-1H-

benzimidazole. Pantoprazole EP impurity D

624742-53-6 50 100 200 500

In stock

Mixture of the stereo isomers of 6,6'-

bis(difluoromethoxy)-2,2'-bis[[(3,4-

dimethoxy pyridin-2-yl)

methyl]sulfinyl]-1H,1'H-5,5'-

bibenzimidazole Pantoprazole EP impurity E

50 100 200 500

6-(difluoromethoxy)-2-[(RS)-[(3,4-

dimethoxypyridin-2-

yl)methyl]sulfinyl]-1-methyl-1H-

benzimidazole Pantoprazole EP impurity F

721924-06-7 50 100 200 500

In stock

Rabeprazole

2-[[[4-(3-Methoxypropoxy)-3-

methyl-pyridin-2-yl] methyl]

sulfonyl]Bezimidazole.

Rabeprazole EP impurity A

117976-47-3 50 100 200 500

2-[[[4-(3-methoxy propoxy)- 3-

methyl-pyridin-2-yl] methyl]

sulfanyl]-1H-Bezimidazole

Rabeprazole EP impurity B

117977-21-6

50 100 200 500

1-(1H-Benzimidazol-2-yl)-3-methyl-

4-oxo-1, 4-dihydropyridine-2-

1163685-30-0 50 100 200

carboxylate

Rabeprazole EP impurity C

500

2-[[[4-(3-methoxy propoxy)-3-

methyl-1-oxidopyridin-2-yl] methyl]

sulfinyl]-1H-benzimidazole

Rabeprazole EP impurity D

924663-38-7 50 100 200 500

2-[[(4-Methoxy-3-methylpyridin-2-

yl) methyl] sulfinyl]-1H-

benzoimidazole

Rabeprazole EP impurity E

102804-77-3 50 100 200 500

1, 3-dihydro-2H-benzimidazole-2-

thione

Rabeprazole EP impurity F

583-39-1 50 100 200 500

2-[[(4-Methoxy-3-methylpyridin-2-

yl) methyl] sulfanyl]-1H-

benzimidazole

Rabeprazole EP impurity G

102804-82-0

50 100 200 500

2-[[(4-chloro-3-methylpyridin-2-yl])

methyl] sulfinyl]-1H-benzimidazole

Rabeprazole EP impurity H

168167-42-8 50 100 200 500

2-[[[4-(3-Methoxypropoxy)-3-

methyl-1-oxido-2-pyridinyl] methyl]

sulfonyl]-1H-benzimidazole

Rabeprazole EP impurity I

924663-37-6

50 100 200 500

1H-Benzoimidazol-2-ol

Rabeprazole EP impurity K

615-16-7 50 100 200 500

Setraline HCl

(1RS, 4SR)-4-(3, 4-dichlorophenyl)-N-

methyl-1, 2, 3, 4-terrahydronaphthalen-

1-amine Sertraline EP impurity A

79836-45-6 50 100 200 500

One week

(1RS, 4RS)-N-methyl-4-phenyl-1, 2, 3, 4-

tetrahydronaphthalen-1-amine Sertraline EP impurity B

52758-03-9 One week

(1RS, 4RS)-4-(4-chlorophenyl)-N-

methyl-1, 2, 3, 4-tetrahydronaphthalen-

79646-00-7 One week

1-amine Sertraline EP impurity C

(1RS, 4RS)-4-(3-chlorophenyl)-N-

methyl-1, 2, 3, 4-tetrahydronaphthalen-

1-amine Sertraline EP impurity D

871838-58-3

One week

2R)-hydroxyphenylacetic acid ((R))-

mandelic acid Sertraline EP impurity E

611-71-2

One week

(4R)-4-(3, 4-dichlorophenyl)-3, 4-

dihydronaphthalen-1(2H)-one Sertraline EP impurity F

155748-61-1 One week

(1R, 4R)-4-(3, 4-dichlorophenyl)-N-

methyl-1, 2, 3, 4-tetrahydronaphthalen-

1-amine (Sertraline enantiomer)

Sertraline EP impurity G

79617-98-4 One week

Sertraline HCl EP impurity G 79645-15-1 In stock

Quetiapine

2-[2-[4-(Dibenzo[b,f][1,4] thiazepin-11-yl)piperazin-1-yl]ethoxy] ethyl acetate - (Quetiapine Fumarate(EP) Impurity-A)

844639-07-2 In stock

11-(piperazin-1-yl) dibenzo [b, f] [1,

4] thiazepine Quetiapine EP impurity B

5747-48-8

In stock

2-[2-[4-Dibenzo[b,f][1,4]thiazepin-II-yl)piperazin-I-yl]ethoxy]ethyl 2-[4-(dibenzo[b,f][1,4] thiazepin-II-yl) piperazin-1-yl]acetate – (Quetiapine Fumarate(EP) Impurity-C)

1798840-31-9 In stock

11,11'-(Piperazine-1,4-diyl)bis(dibenzo-[b,f][1,4] thiazepine- (Quetiapine Fumarate(EP) Impurity-D)

945668-94-0 In stock

11,11'[Ethylenebis(oxyethylenepiperazine- 4,1-diyl)]bis(di benzo[b,f][1,4] thiazepine) - (Quetiapine Fumarate (EP) Impurity-E)

1371638-05-9 In stock

[2[(2-Aminophenyl) sulfanyl] 848814-27-7 In stock

phenyl][4-[2-(2-hydroxyethoxy) ethyl]piperazin-1-yl] methanone -(Quetiapine Fumarate(EP) Impurity-F

Dibenzo [b, f] [1, 4] thiazepin-11(10H)-

one. Quetiapine EP impurity G 3159-07-7

In stock

2-[2-[4-Dibenzo[b,f][1,4]thiazepin-II-yl)-1-oxidopiperazin-I-yl]ethoxy]ethnol (Quetiapine Fumarate(EP) Impurity-H)

1076199-40-0 In stock

2-[4-(Dibenzo[b,f][1,4] thiozepin-II-yl)piperazin-1-yl]ethanol - 2Hcl (Quetiapine Fumarate(EP) Impurity-I

329218-14-6

In stock

2-[2-[2-[2-[4-(Dibenzo[b,f][1,4]thiazepin-II-yl)piperazin-1-yl]ethoxy]ethoxy]ethanol - (Quetiapine Fumarate(EP) Impurity-J)

1356906-17-6 In stock

N-[2-[[2-[[4-[2-(2-

hydroxyethoxy)ethyl]piperazin-1-

yl] carbonyl] phenyl] sulfanyl]

phenyl] acetamide

Quetiapine EP impurity K

1 111974-69-7

2-[2-[4-(9-chlorodibenzo [b, f] [1, 4]

thiazepin-11-yl) piperazin-1-yl]

ethoxy] ethanol

Quetiapine EP impurity L

1 1371638-11-7

2-[2-[4-[2-[2-[4-(dibenzo [b, f] [1, 4]

thiazepin-11-yl) piperazin-1-yl]

ethoxy] ethyl] piperazin-1-yl]

ethoxy] ethanol

Quetiapine EP impurity N

11-[4-[2-[2-(triphenylmethoxy)

ethoxy] ethyl] piperazin-1-yl]

dibenzo[b, f][1,4]thiazepine

Quetiapine EP impurity O

844639-06-1

11-(4-ethylpiperazin-1-yl] dibenzo

[b, f] [1, 4] thiazepine

Quetiapine EP impurity P

1011758-03-4

4-(dibenzo [b, f] [1, 4] thiazepin-11-

yl)-1, 1-bis [2-(2-hydroxyethoxy)

ethyl] piperazin-1-ium

Quetiapine EP impurity Q

(2E)-4-ethoxy-4-oxobut-2-enoic acid

Quetiapine EP impurity R

2459-05-4

- 2-[2-[4-(5-oxydodibenzo[b,

f][1,4]thiazepin-11-yl)piperazin-1-

yl] ethoxy] ethanol

Quetiapine EP impurity S

329216-63-9

11-(morpholin-4-yl) dibenzo [b, f] [1,

4] thiazepine

Quetiapine EP impurity T

5747-46-6

Dibenzo [b, f] [1, 4] thiazepin-11-

amine Quetiapine EP impurity U

5786-26-5

2-[2-[4-(phenanthridin-6-yl]

piperazin-1-yl] ethoxy] ethanol

Quetiapine EP impurity V

11-(4-[2-[2-(dibenzo [b, f] [1, 4]

thiazepin-11-yloxy) ethoxy] ethyl]

piperazin-1-yl] dibenzo [b,

f][1,4]thiazepine

Quetiapine EP impurity W

Luliconazole (-)-(E)-2-[4(R)-(4-chloro phenyl)-1,3

dithiolan-2ylidine]-2-(1H-Imidazol-

1yl)acetonitrile

187164-18-7 50 100 & 200 500

In Stock

(2Z)-[(4R)-4-(2,4-dichloro phenyl-1,3

dithiolan-2-ylidene]-2-Imidazole-1-yl

acetonitrile

Luliconazole Z isomer

1240249-76-6 50 100& 200 500

In Stock

(2Z)-[(4S)-4-(2,4 dichloro phenyl)-1,3

dithiolan-2-ylidene]-2-Imidazole-1-yl

acetonitrile

50, 100& 200 500

In Stock

(2E)-[(4S)-4-(2,4-di chloro phenyl]-1,3

dithiolan-2-ylidene]-2-Imidazole-1-yl

acetonitrile

(S)-Luliconazole-E-isomer

256424-63-2 50, 100 & 200 500

In Stock

Pramipexole

dihydrochloride

monohydrate

(6S)- 4, 5, 6, 7-Tetrahydro-1, 3-

benzothiazole-2, 6-diamine

Pramipexole EP impurity A

106092-09-5 50, 100 & 200 500

(6S) - N, N1-dipropyl-4, 5, 6, 7-

Tetrahydro-1, 3-benzothiazole-2, 6-

diamine

Pramipexole EP impurity B

USP impurity C

1246815-83-7

50, 100 & 200 500

Mixture of diasteroisomers of (6S)-6N-

[3-{(6S)-2-amino-4, 5, 6, 7-tetrahydro-

1,3-benzothiazole 6yl} 1ethyl 2-

methylpropyl] 4, 5, 6, 7-Tetrahydro-1,3-

benzothiazole-2,6 -diamine.

Pramipexole EP impurity C

(6R)-6-N-propyl-4, 5, 6, 7-tetrahydro-1,

3-benzothiazole-2, 6-diamine

Pramipexole EP impurity D

104632-26-0

N-[(6S)-2-amino-4, 5, 6, 7-tetrahydro-1,

3-benzothiazole-6-yl] propanamide

(USP impurity B)-

Pramipexole EP impurity E

106006-84-2 50 100& 200 500

Lead time- three weeks