SPL Set ID: bd0f7ae1-11ef-4fab-894f-c4c59f75aa99

Pramipexole dihydrochloride tablets contain pramipexole dihydrochloride (as a monohydrate). Pramipexole is a nonergot dopamine agonist. The chemical name of pramipexole dihydrochloride monohydrate is ( S )-2-amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydrochloride monohydrate. Its empirical formula is C 10 H 17 N 3 S · 2HCl · H 2 O, and its molecular weight is 302.26. The structural formula is: Pramipexole dihydrochloride USP is a white to off-white powder substance. Melting occurs in the range of 296°C to 301°C, with decomposition. Pramipexole dihydrochloride USP is more than 20% soluble in water, about 8% in methanol, about 0.5% in ethanol, and practically insoluble in dichloromethane. Pramipexole dihydrochloride tablets, for oral administration, contain 0.125 mg, 0.25 mg, 0.5 mg, 0.75 mg, 1 mg, or 1.5 mg of pramipexole dihydrochloride monohydrate. Inactive ingredients consist of colloidal silicon dioxide, corn starch, ferric oxide red (0.25, 0.5 and 1 mg tablets), ferric oxide yellow (0.25 and 0.75 mg tablets), magnesium stearate, mannitol, povidone K-30 and pregelatinized maize starch. Pramipexole dihydrochloride tablets 0.125 mg : Each tablet contains 0.125 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.118 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 0.25 mg : Each tablet contains 0.25 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.235 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 0.5 mg : Each tablet contains 0.5 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.47 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 0.75 mg : Each tablet contains 0.75 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.705 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 1 mg : Each tablet contains 1 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 0.94 mg pramipexole dihydrochloride (in anhydrous basis). Pramipexole dihydrochloride tablets 1.5 mg : Each tablet contains 1.5 mg pramipexole dihydrochloride USP (in monohydrate form) equivalent to 1.41 mg pramipexole dihydrochloride (in anhydrous basis).