naltrexone
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
13 FDA-registered drug labelers
Alkermes, Inc.
Arevipharma GmbH
Noramco, LLC
NURAY CHEMICALS PRIVATE LIMITED
Pharma Source Direct, Inc.
Purisys LLC
Rusan Pharma Ltd
S.A.L.A.R.S. SOCIET AZIONARIA LABORATORI ALCALOIDI RIFORNIMENTI SANITARI S.P.A.
Saneca Pharmaceuticals a.s.
Siegfried AG
SpecGx LLC
STHREE CHEMICALS PRIVATE LIMITED
Wavelength Enterprises Ltd
Why It Matters
Sectors
Health
Downstream UsesNo data available
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 Shortage
Shortage History
Each row is a separate manufacturer's FDA shortage filing — not a timeline for the drug as a whole. Multiple "current" entries are normal: each manufacturer/NDC files independently. Status reflects the manufacturer's report; reason describes their supply situation (Available, Unavailable, or to be discontinued).
resolved
Naltrexone Hydrochloride Tablet
02/29/2024Chemical Identity
CAS16590-41-3
PubChem CID5360515
DTXSIDDTXSID4046313
FormulaC20H23NO4
Mol. Weight341.4 g/mol
SMILESC1CC1CN2CCC34C5C(=O)CCC3(C2CC6=C4C(=C(C=C6)O)O5)O
Data Sources
53605152026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/naltrexone/cids/JSON
Archive: data/sources/pubchem_name/naltrexone.json
CAS 16590-41-32026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 16590-41-32026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json