Nalmefene hydrochloride
Drug ingredientCAS 58895-64-0
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
US productionNot reported
Top sourceNo public record
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
6 FDA-registered drug labelers
Chengdu Shuode Pharmaceutical Co., Ltd
Indivior Inc.
Purdue Pharma L.P.
Purisys LLC
Sichuan Qingmu Pharmaceutical Co., Ltd.
SpecGx LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Opvee
- •Zurnai
- •Nalmefene Hydrochloride
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Chemical Identity
CAS58895-64-0
PubChem CID5388881
DTXSIDDTXSID70891705
FormulaC21H26ClNO3
Mol. Weight375.9 g/mol
SMILESC=C1CCC2(C3CC4=C5C2(C1OC5=C(C=C4)O)CCN3CC6CC6)O.Cl
Data Sources
- PubChem · compound 5388881Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
Nalmefene hydrochloride (CAS 58895-64-0) https://chemicalindependence.com/chemical/58895-64-0/ PubChem: 5388881. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5388881 FDA National Drug Code directory: CAS 58895-64-0. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/