SPL Set ID: 1a8906ce-96dc-4bc8-81c1-5db67a187aac

Donepezil hydrochloride is a reversible inhibitor of the enzyme acetylcholinesterase, known chemically as (±)-2, 3-dihydro-5, 6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1 H -inden-1-one hydrochloride. Donepezil hydrochloride is commonly referred to in the pharmacological literature as E2020. It has a molecular formula of C 24 H 29 NO 3 HCl and a molecular weight of 415.96. Donepezil hydrochloride is a white crystalline powder and is freely soluble in chloroform, soluble in water and in glacial acetic acid, slightly soluble in ethanol and in acetonitrile, and practically insoluble in ethyl acetate and in n-hexane. Donepezil hydrochloride is available for oral administration in film-coated tablets containing 5 and 10 mg of donepezil hydrochloride. Inactive ingredients in 5 mg and 10 mg tablets are lactose monohydrate, microcrystalline cellulose, croscarmellose sodium, magnesium stearate. The film coating contains talc, polyethylene glycol, polyvinyl alcohol and titanium dioxide. Additionally, the 10 mg tablet contains yellow iron oxide as a coloring agent. Donepezil hydrochloride orally disintegrating tablets USP are available for oral administration. Each Donepezil hydrochloride orally disintegrating tablet USP contains 5 or 10 mg of donepezil hydrochloride. Inactive ingredients are mannitol, silicified microcrystalline cellulose, low substituted hydroxypropyl cellulose, sucralose, orange flavor,sodium stearyl fumarate. Additionally, the 10 mg tablet contains iron oxide yellow as a coloring agent. Molecular Structure