CAS 1219798-88-5 appears in our catalog under these names: Donepezil–d4 (hydrochloride), (±)-Donepezil-d4 HCl (bismethylene-d4), 99 atom % D, min 98% Chemical Purity, Donepezil-d4 (hydrochloride), 99.96%. Offered by: GLPBio, CDN, MedChemExpress. Available pack sizes: 5mg, 0,01g, 0,005g, 1mg, 500μg, 5 mg, 1 mg.