liothyronine sodium
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
25 FDA-registered drug labelers
A-S Medication Solutions
ASCLEMED USA INC.
Azico Biophore India Private Limited
Biocon Pharma Inc.
Bryant Ranch Prepack
Dr. Reddy's Labratories Inc.
Golden State Medical Supply, Inc.
LETCO MEDICAL, LLC
Medisca Inc.
Mylan Pharmaceuticals Inc.
Northstar Rx LLC
NuCare Pharmaceuticals,Inc.
PD-Rx Pharmaceuticals, Inc.
Peptido GmbH
Pfizer Laboratories Div Pfizer Inc
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Proficient Rx LP
SIGMAPHARM LABORATORIES, LLC
Sun Pharmaceutical Industries, Inc.
Teva Pharmaceuticals USA, Inc.
VALARY LAB PRIVATE LIMITED
XGen Pharmaceuticals DJB, Inc.
Zydus Lifesciences Limited
Zydus Pharmaceuticals (USA) Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Liothyronine sodium
- •Cytomel
- •Liomny
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
CAS55-06-1
PubChem CID23666110
DTXSIDDTXSID8047505
FormulaC15H11I3NNaO4
Mol. Weight672.95 g/mol
SMILESC1=CC(=C(C=C1OC2=C(C=C(C=C2I)CC(C(=O)[O-])N)I)I)O.[Na+]
Data Sources
236661102026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/liothyronine sodium/cids/JSON
Archive: data/sources/pubchem_name/liothyronine sodium.json
CAS 55-06-12026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json