UNSPSCClass
51371900Controlled substance analgesic methadones
Sub-categories (10)
51371901Acetylmethadol or methadyl acetate51371902Betacetylmethadol51371903Dimepheptanol or methadol or racemethadol51371904Dipipanone51371905Isomethadone51371906Levacetylmethadol or levomethadyl acetate51371907Methadone51371908Acetylmethadol hydrochloride51371909Dipipanone hydrochloride51371910Methadone hydrochloride