METHADONE HYDROCHLORIDE TABLET [VISTAPHARM, INC.] Home METHADONE HYDROCHLORIDE TABLET [VISTAPHARM, INC.] METHADONE HYDROCHLORIDE TABLET [VISTAPHARM, INC.] PDF | XML NDC 66689-820-10 Set ID 4c8b541c-33e8-4969-b258-af150808d46e Generic Name Product Class Product Number Application Number ANDA040241 Related Drugs Search DailyMed Drugs