ursodiol
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
44 FDA-registered drug labelers
Actavis Pharma, Inc.
Alivus Life Sciences Limited
Allergan, Inc.
American Health Packaging
Amneal Pharmaceuticals NY LLC
Arch Pharmalabs Limited
Aurobindo Pharma Limited
AvKARE
AvPAK
BluePoint Laboratories
Bryant Ranch Prepack
Cardinal Health 107, LLC
Chartwell RX, LLC
Daewoong Bio Inc.
Darmerica, LLC
Dipharma Francis Srl
Endo USA, Inc.
Epic Pharma, LLC
Fagron Inc
FH2 Pharma LLC
Glenmark Pharmaceuticals Inc., USA
Golden State Medical Supply, Inc.
ICE SpA
Intra-Sana Laboratories
Kalchem International inc
Lannett Company, Inc.
Laurus Labs Limited
LETCO MEDICAL, LLC
LGM PHARMA SOLUTIONS, LLC
Major Pharmaceuticals
Medisca Inc.
NorthStar Rx LLC
PD-Rx Pharmaceuticals, Inc.
Professional Compounding Centers of America dba PCCA
PuraCap Laboratories, LLC
Shanghai Yuanxinyu Pharmaceutical Technology Co., Ltd.
Sichuan Hugcon Biotechnology Co. Ltd.
Sichuan Xieli Pharmaceutical Co., Ltd.
Spectrum Laboratory Products, Inc.
Strides Pharma Science Limited
Symbio Generrics India Private Limited, Plot No: 22H, Sy.No 34P & 35P, Apsez, Lalam Koduru, Rambilli, Visakhapatnam, Andhra Pradesh, India-531011
VGYAAN Pharmaceuticals LLC
Zydus Lifesciences Limited
Zydus Pharmaceuticals (USA) Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 7 drug and cosmetic product listings (FDA).
- •Urso Forte
- •Ursodiol
- •Reltone 200 mg
- •Ursodiol 200 mg
- •Ursodiol 400 mg
- •Reltone 400 mg
- •Urso 250
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
Ursodiol Capsule
04/06/2026Chemical Identity
CAS128-13-2
PubChem CID31401
DTXSIDDTXSID6023731
FormulaC24H40O4
Mol. Weight392.6 g/mol
SMILESCC(CCC(=O)O)C1CCC2C1(CCC3C2C(CC4C3(CCC(C4)O)C)O)C
Data Sources
314012026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/ursodiol/cids/JSON
Archive: data/sources/pubchem_name/ursodiol.json
CAS 128-13-22026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 128-13-22026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json