Naltrexone hydrochloride

Also known as: Naltrexone hydrochloride, Naltrexone HCl, (5α)-17-(Cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxymorphinan-6-one hydrochloride, (5α)-17-(Cyclopropylmethyl)-3,14-dihydroxy-4,5-epoxymorphinan-6-one hydrochloride (1:1), (1S,5R,13R,17S)-4-(Cyclopropylmethyl)-10,17-dihydroxy-12-oxa-4-azapentacyclo[9.6.1.0.0.0]octadeca-7(18),8,10-trien-14-one hydrochloride, (1S,5R,13R,17S)-4-(cyclopropylmethyl)-10,17-dihydroxy-12-oxa-4-azapentacyclo[9.6.1.0.0.0]octadeca-7(18),8,10-trien-14-one hydrochloride, (1S,5R,13R,17S)-4-(cyclopropylméthyl)-10,17-dihydroxy-12-oxa-4-azapentacyclo[9.6.1.0.0.0]octadéca-7(18),8,10-trién-14-one chlorhydrate, (1S,5R,13R,17S)-4-(Cyclopropylmethyl)-10,17-dihydroxy-12-oxa-4-azapentacyclo[9.6.1.0.0.0]octadeca-7(18),8,10-trien-14-onhydrochlorid, Morphinan-6-one, 17-(cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxy-, (5α)-, hydrochloride (1:1), N-Cyclopropylmethyl-14-hydroxydihydromorphinone hydrochloride, N-CYCLOPROPYLMETHYL-14-HYDROXYDI-HYDROMORPHINONE HYDROCHLORIDE, EN 1639A, NIH 8503, Antaxone, Depade, Nalorex, ReVia, Trexan, Celupan

Naltrexone hydrochloride (CAS 16676-29-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H24ClNO4 and a molecular weight of 377.862 g/mol. Key properties include a melting point of 274-2760C, a boiling point of 558.1ºC at 760 mmHg, a density of 1.47 g/cm3 and a flash point of 291.4ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

16676-29-2

Jingsj CID

J-48225-7

Molecular Formula

C₂₀H₂₄ClNO₄

Molecular Weight

377.862 g/mol

Category

Organic Acids

Last updated

8/21/2026