Structure Identification and Risk Assurance of Unknown Impurities in Pramipexole Oral Drug Formulation

Table 4

Formula composition of PR-FP.

Ingredients	Function	mg/tab	%
Pramipexole dihydrochloride monohydrate	Active pharmaceutical ingredients	0.25	0.15
Mannitol	Excipients	164.5	95.6
Low-substituted hydroxypropyl cellulose (LHPC-LH11)	Excipients	3.4	2
Magnesium stearate	Excipients	3.4	2
Colloidal anhydrous silica	Excipients	0.17	0.1