cyclazocine and its Impurities

Cyclazocine for management of pain, and later for assisting treatment of narcotic addiction was severely hampered by the drug's psychotomimetic, dysphoric, and hallucinatory effects. It is a KOR agonist and MOR partial agonist. Reference standards of Cyclazocine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.