Methadone

Products Methadone is commercially available as tablets, injectable solution, and oral solution (e.g., Ketalgin, Methadone Streuli). Methadone solutions are also prepared in pharmacies as extemporaneous preparations. Structure and properties Methadone (C21H27NO, Mr = 309.45 g/mol) is a synthetically prepared derivative of pethidine, which is itself a derivative of atropine. It is chiral and exists as … Methadone