Donepezil Hydrochloride Monohydrate and its Impurities

Donepezil Hydrochloride Monohydrate, sold as the trade name Aricept among others, is a medication used to treat Alzheimer's disease. Reference standards of Donepezil Hydrochloride Monohydrate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.