ramelteon
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
32 FDA-registered drug labelers
Actavis Pharma, Inc.
Advanced Rx Pharmacy of Tennessee, LLC
American Health Packaging
Asclemed USA, Inc.
Assia Chemical Industries Ltd - Teva Tech Site
Aurobindo Pharma Limited
AvKARE
AvPAK
Biophore India Pharmaceuticals Private Limited
Bryant Ranch Prepack
Cutyx Research LLP
DIRECT RX
Dr.Reddys Laboratories Inc
Enaltec Labs Pvt Ltd
Golden State Medical Supply, Inc.
Granules Pharmaceuticals Inc.
i3 Pharmaceuticals, LLC
Major Pharmaceuticals
Micro Labs Limited
MSN Laboratories Private Limited
NURAY CHEMICALS PRIVATE LIMITED
Proficient Rx LP
Quality Care Products, LLC
REMEDYREPACK INC.
Takeda Ireland Ltd.
Takeda Pharmaceuticals America, Inc.
TruPharma, LLC
Upsher-Smith Laboratories, LLC
Xiromed, LLC
Zhejiang Ausun Pharmaceutical Co., Ltd.
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Ramelteon
- •Rozerem
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).
to be discontinued
Ramelteon Tablet
03/19/2026Chemical Identity
CAS196597-26-9
PubChem CID208902
DTXSIDDTXSID6045951
FormulaC16H21NO2
Mol. Weight259.34 g/mol
SMILESCCC(=O)NCCC1CCC2=C1C3=C(C=C2)OCC3
Data Sources
2089022026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/ramelteon/cids/JSON
Archive: data/sources/pubchem_name/ramelteon.json
CAS 196597-26-92026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 196597-26-92026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json