Nalbuphine Hydrochloride Dihydrate and its Impurities

Nalbuphine Hydrochloride Dihydrate, sold under the brand names Nubain among others, is an opioid analgesic which is used in the treatment of pain. Reference standards of Nalbuphine Hydrochloride Dihydrate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.