SPL Set ID: 557e9610-62d7-42bf-90c1-44215bd8c1f8

Oxymorphone Hydrochloride Extended-Release Tablets, USP are for oral use and contain oxymorphone, a semi-synthetic opioid analgesic. Oxymorphone Hydrochloride Extended-Release Tablets, USP are supplied in 5 mg, 7.5 mg, 10 mg, 15 mg, 20 mg, 30 mg and 40 mg tablet strengths for oral administration. The tablet strength describes the amount of oxymorphone hydrochloride per tablet. The tablets contain the following inactive ingredients: microcrystalline cellulose, lactose monohydrate, hypromellose, xanthan gum, magnesium stearate, polyvinyl alcohol - partially hydrolyzed, polyethylene glycol, talc, and titanium dioxide. The 5 mg, 7.5 mg, 10 mg, 20 mg and 40 mg tablets contain FD&C Yellow No. 6 Aluminum Lake. In addition, the 5 mg tablets contain FD&C Blue No. 2 and D&C Red No. 27. The 7.5 mg tablets contain FD&C Blue No. 2 and FD&C Red No. 40. The 10 mg tablets contain FD&C Red No. 40. The 20 mg tablets contain D&C Yellow No. 10 Aluminum Lake, FD&C Blue No. 1, and FD&C Blue No. 2. The 30 mg tablets contain Iron Oxide Yellow and Iron Oxide Black. The 40 mg tablets contain D&C Yellow No. 10 Aluminum Lake. The chemical name of oxymorphone hydrochloride is 4,5α-epoxy-3, 14-dihydroxy-17-methylmorphinan-6-one hydrochloride. Oxymorphone hydrochloride, USP is a white or slightly off-white, odorless powder, which is sparingly soluble in alcohol and ether, but freely soluble in water. The molecular weight of oxymorphone hydrochloride is 337.80. The pKa1 and pKa2 of oxymorphone at 37°C are 8.17 and 9.54, respectively. The octanol/aqueous partition coefficient at 37°C and pH 7.4 is 0.98. The structural formula for oxymorphone hydrochloride is as follows: Chemical Structure