Hydrochloride1

• It is used in medicine as the bitartrate salt (free base conversion ratio 0.643, molecular weight 471.5) and hydrochloride (free base conversion ratio 0.770, molecular weight 393.9) It is also called α-Oxymorphol, and oxymorphol is itself a mixture of hydromorphinol and 4,5α-Epoxy-17-methylmorphinan-3,6β,14-triol, β-Oxymorphol, which is different at position 6 on the morphine carbon skeleton. (wikipedia.org)