Oxandrolone

Drug ingredient

CAS 53-39-4

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 53-39-4
US productionNot reported
Import value, 2024$154M
Top sourceItaly 60%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293729 · basket

These shares come from HS customs code 293729, which covers 57 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 60%ItalyES 14%SpainCN 11%ChinaDE 6%GermanyAT 2%Austria
9 FDA-registered drug labelers
ANDROST BIOTECH PRIVATE LIMITED
Curia Italy S.r.l.
HORSTER BIOTEK PVT LTD.
MORTAR & PESTLE
NURAY CHEMICALS PRIVATE LIMITED
Pharma Source Direct, Inc.
SCH Global Services Private Limited
ScinoPharm Taiwan Ltd.
Siegfried Grafton, Inc.

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS53-39-4
PubChem CID5878
DTXSIDDTXSID8023399
FormulaC19H30O3
Mol. Weight306.4 g/mol
SMILESCC12CCC3C(C1CCC2(C)O)CCC4C3(COC(=O)C4)C

Data Sources

Brief citations

Oxandrolone (CAS 53-39-4) https://chemicalindependence.com/chemical/53-39-4/ PubChem: 5878. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5878 FDA National Drug Code directory: CAS 53-39-4. 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/ US Census international trade: HS 293729 for CAS 53-39-4. Reporting year: 2024. https://usatrade.census.gov/