nalmefene hydrochloride - Medication Listings
Browse 2 medications by nalmefene hydrochloride. Open a product record to review strengths, dosage forms, label-backed details, and related navigation.
Nalmefene Hydrochloride Injection Rx only DESCRIPTION Nalmefene Hydrochloride Injection, an opioid antagonist, is a 6-methylene analogue of naltrexone. The chemical structure is shown below: Molecular Formula: C 21 H 25 NO 3 •HCl•H 2 O Molecular Weight: 393.91, CAS # 1228646-72-7 Chemical Name: 17-(Cyclopropylmethyl)-4,5α-epoxy-6-methylenemorphinan-3,14-diol, hydrochloride salt, monohydrate Nalmefene hydrochloride is a white to almost white crystalline powder which is freely soluble in water up to 130 mg/mL and slightly soluble in chloroform up to 0.13 mg/mL, with a pK a of 7.6. Nalmefene Hydrochloride Injection is available as a sterile solution for intravenous, intramuscular, and subcutaneous administration in two concentrations, containing 100 µg or 1.0 mg of nalmefene free base per mL. The 100 µg/mL concentration contains 110.8 µg of nalmefene hydrochloride and the 1.0 mg/mL concentration contains 1.108 mg of nalmefene hydrochloride per mL. Both concentrations contain 9.0 mg of sodium chloride per mL and the pH is adjusted in the range of 3.3-3.5 with hydrochloric acid. Concentrations and dosages of Nalmefene Hydrochloride Injection are expressed as the free base equivalent of nalmefene. image description
Nalmefene hydrochloride injection, an opioid antagonist, is a 6-methylene analogue of naltrexone. The chemical structure is shown below: Molecular Formula: C 21 H 25 NO 3 ∙HCl Molecular Weight: 375.9, CAS # 58895-64-0 Chemical Name: 17-(Cyclopropylmethyl)-4,5 a -epoxy-6-methylenemorphinan-3,14-diol, hydrochloride salt. Nalmefene hydrochloride is a white to off-white crystalline powder which is freely soluble in water up to 130 mg/mL and slightly soluble in chloroform up to 0.13 mg/mL, with a pK a of 7.6. Nalmefene hydrochloride injection is available as a sterile solution for intravenous, intramuscular, and subcutaneous administration in concentration of 1 mg of nalmefene free base per mL. The 1 mg/mL concentration contains 1.108 mg of nalmefene hydrochloride per mL, 9.0 mg of sodium chloride per mL, and the pH is adjusted to 3.9 with hydrochloric acid. Concentration and dosage of nalmefene hydrochloride injection are expressed as the free base equivalent of nalmefene. Chemical Structure
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