Pramipexole dihydrochloride is the hydrochloride salt of Pramipexole, a benzothiazole derivative. Pramipexole dihydrochloride monohydrate is a medication used to treat Parkinson's disease (PD) and restless legs syndrome (RLS). It is a dopamine agonist of the non-ergoline class.
Pramipexole dihydrochloride monohydrate is described chemically as (S)-2-amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydrochloride monohydrate. Its molecular formula is C10H17N3S.2HCl.H2O, and its molecular weight is 302.26.
Pramipexole dihydrochloride monohydrate is a white to almost white, crystalline powder that is freely soluble in Water, soluble in Methanol, slightly soluble in Alcohol, practically insoluble in Methylene dichloride. Melting range is 296°C to 301°C, with decomposition.