pramipexole and its Impurities
A dopamine agonist drug, Pramiexole belongs to non-ergoline class of drugs used for treating Parkinson's and restless legs syndrome. Also helps in treating bipolar disorder.Reference standards of Pramipexole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![(6R)-N6-(1-((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d] PA 16 64540](https://www.pharmaffiliates.com/pimages/PA1664540.jpg)
(6R)-N6-(1-((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-ylamino)-2-methylpentan-3-yl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine
(6R)-N6-(1-((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-ylamino)-2-methylpentan-3-yl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine
Catalogue No.:PA 16 64540
CAS :
NA
Molecular Formula : C20H32N6S2
Molecular Weight : 420.65

![1-(((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol- PAI 16 009020](https://www.pharmaffiliates.com/pimages/PAI16009020.jpg)
1-(((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)amino)-3-((2-amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)amino)-2-methylpentan-3-ol
1-(((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)amino)-3-((2-amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)amino)-2-methylpentan-3-ol
Catalogue No.:PAI 16 009020
CAS :
NA
Molecular Formula : C20H32N6OS2
Molecular Weight : 436.64


(6S,7R)-N6-Propyl-N7-[(S)-6-(Propylamino)-4,5,6,7-tetrahydrobenzothiazol-2-yl]-4,5,6,7-tetrahydrobenzothiazole-2,6,7-triamine
(6S,7R)-N6-Propyl-N7-[(S)-6-(Propylamino)-4,5,6,7-tetrahydrobenzothiazol-2-yl]-4,5,6,7-tetrahydrobenzothiazole-2,6,7-triamine
Catalogue No.:PA 16 64570
CAS :
1244656-98-1
Molecular Formula : C20H32N6S2
Molecular Weight : 420.64


(6S,7S)-N6-Propyl-N7-((S)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6,7-triamine
(6S,7S)-N6-Propyl-N7-((S)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6,7-triamine
Catalogue No.:PA 16 64580
CAS :
3018121-53-1
Molecular Formula : C20H32N6S2
Molecular Weight : 420.64


Pramipexole Related Compound D ((R)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydro (1553815)
Pramipexole Related Compound D ((R)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydro (1553815)
Catalogue No.:PA USP1553815
CAS :
104632-27-1
Molecular Formula : NA
Molecular Weight : NA


tert-Butyl (S)-(2-((tert-butoxycarbonyl)amino)-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
tert-Butyl (S)-(2-((tert-butoxycarbonyl)amino)-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
Catalogue No.:PAI 16 009090
CAS :
NA
Molecular Formula : C20H33N3O4S
Molecular Weight : 411.56


tert-Butyl ((6S,7S)-2-acetamido-6-(N-propylacetamido)-4,5,6,7-tetrahydrobenzo[d]thiazol-7-yl)((S)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)carbamate
tert-Butyl ((6S,7S)-2-acetamido-6-(N-propylacetamido)-4,5,6,7-tetrahydrobenzo[d]thiazol-7-yl)((S)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)carbamate
Catalogue No.:PAI 16 009100
CAS :
NA
Molecular Formula : C29H44N6O4S2
Molecular Weight : 604.83


Tert-butyl (S)-(2-((tert-butoxycarbonyl)amino)-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
Tert-butyl (S)-(2-((tert-butoxycarbonyl)amino)-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
Catalogue No.:PAI 16 009114
CAS :
NA
Molecular Formula : C20H31N3O5S
Molecular Weight : 425.54


Tert-butyl ((6S)-2-(((6S)-2-((tert-butoxycarbonyl)amino)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-7-yl)amino)-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
Tert-butyl ((6S)-2-(((6S)-2-((tert-butoxycarbonyl)amino)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-7-yl)amino)-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
Catalogue No.:PAI 16 009116
CAS :
NA
Molecular Formula : C30H48N6O4S2
Molecular Weight : 620.87


(5S)-N5-(3-(((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)amino)-2-methylpentyl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,5-diamine
(5S)-N5-(3-(((S)-2-Amino-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)amino)-2-methylpentyl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,5-diamine
Catalogue No.:PA 16 0641014
CAS :
NA
Molecular Formula : C20H32N6S2
Molecular Weight : 420.64


(6S,7S)-N6-Propyl-N7-((R)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6,7-triamine
(6S,7S)-N6-Propyl-N7-((R)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6,7-triamine
Catalogue No.:PA 16 0641016
CAS :
NA
Molecular Formula : C20H32N6S2
Molecular Weight : 420.64


tert-Butyl (S)-(2-((hydroxymethyl)amino)-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
tert-Butyl (S)-(2-((hydroxymethyl)amino)-4,5,6,7-tetrahydrobenzo[d]thiazol-6-yl)(propyl)carbamate
Catalogue No.:PAI 16 009123
CAS :
NA
Molecular Formula : C16H27N3O3S
Molecular Weight : 341.47


(2R,3S,4S,5S)-2-(Hydroxymethyl)-6-(((S)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)tetrahydro-2H-pyran-3,4,5-triol
(2R,3S,4S,5S)-2-(Hydroxymethyl)-6-(((S)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)amino)tetrahydro-2H-pyran-3,4,5-triol
Catalogue No.:PA 16 0641023
CAS :
NA
Molecular Formula : C16H27N3O5S
Molecular Weight : 373.47