Nalmefene

纳美芬

Also known as: (5α)-17-(Cyclopropylmethyl)-4,5-epoxy-6-methylenemorphinan-3,14-diol, (4R,4aS,7aS,12bS)-3-(cyclopropylmethyl)-7-methylidene-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol, 17-(Cyclopropylmethyl)-4,5α-epoxy-6-methylenemorphinan-3,14-diol, 6-Deoxo-6-methylenenaltrexone, 6-Desoxy-6-methylenenaltrexone, Alcofene, Arthene, Cervene, Nalmefenum, Nalmetrene, Nalmetreno, Nalmetrenum, Revex, [5α]-17-[Cyclopropylmethyl]-4,5-epoxy-6-methylenemorphinan-3,14-diol, (5α)-17-(Cyclopropylmethyl)-4,5-epoxy-6-methylenemorphinan-3,14-diol

Nalmefene (CAS 55096-26-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H25NO3 and a molecular weight of 339.43 g/mol. It is also known as (5α)-17-(Cyclopropylmethyl)-4,5-epoxy-6-methylenemorphinan-3,14-diol, (4R,4aS,7aS,12bS)-3-(cyclopropylmethyl)-7-methylidene-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol and 17-(Cyclopropylmethyl)-4,5α-epoxy-6-methylenemorphinan-3,14-diol. Key property: a melting point of 188 - 190ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

55096-26-9

Jingsj CID

J-1959925-0

Molecular Formula

C₂₁H₂₅NO₃

Chinese Name

纳美芬

Molecular Weight

339.43 g/mol

Category

Organic Compounds

Last updated

8/21/2026