testosterone undecanoate
Drug ingredientCAS 5949-44-0
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.
18 FDA-registered drug labelers
ASG Biochem Private Limited
Aspen Oss B.V.
Bayer de Mexico, S.A. de C.V.
Catalent Pharma Solutions, LLC
Endo USA, Inc.
F.I.S. FABBRICA ITALIANA SINTETICI S.P.A.
Hubei Zhuxi Humanwell Pharmaceutical Co., Ltd.
LETCO MEDICAL, LLC
Marius Pharmaceuticals
Micro-Macinazione SA
Pharma Source Direct, Inc.
Pharmacia and Upjohn Company LLC
SHAKTI LIFESCIENCE PRIVATE LIMITED
Steroid S.p.A.
Symbiotec Pharmalab Limited
TOLMAR Inc.
Verity Pharmaceuticals Inc.
zhejiang xianju pharmaceutical co., Ltd.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 4 drug and cosmetic product listings (FDA).
- •Kyzatrex
- •Jatenzo
- •Aveed
- •Tlando
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
CAS5949-44-0
PubChem CID65157
DTXSIDDTXSID90863661
FormulaC30H48O3
Mol. Weight456.7 g/mol
SMILESCCCCCCCCCCC(=O)OC1CCC2C1(CCC3C2CCC4=CC(=O)CCC34C)C
Data Sources
- PubChem · compound 65157Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
testosterone undecanoate (CAS 5949-44-0) https://chemicalindependence.com/chemical/5949-44-0/ PubChem: 65157. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/65157 FDA National Drug Code directory: CAS 5949-44-0. 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/