Embutramide and its Impurities

Embutramide (INN, USAN, BAN) (brand name Embutane) is a potent opioid analgesic and sedative drug that is structurally related to methadone. It is used for euthanasia in veterinary medicine, mainly for the euthanization of dogs. Reference standards of Embutramide API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.