Flag of the United StatesAmerican Chemical Independence

Boldenone undecylenate

Drug ingredient

CAS 13103-34-9

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

Molecular structure of 13103-34-9
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
1 FDA-registered drug labeler
Steroid SpA

Why It Matters

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

Chemical Identity

CAS13103-34-9
PubChem CID11954310
DTXSIDDTXSID00156854
FormulaC30H44O3
Mol. Weight452.7 g/mol
SMILESCC12CCC3C(C1CCC2OC(=O)CCCCCCCCC=C)CCC4=CC(=O)C=CC34C

Data Sources

← Back to Dashboard← Back to Health

Brief citations

Boldenone undecylenate (CAS 13103-34-9) https://chemicalindependence.com/chemical/13103-34-9/ PubChem: 11954310. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/11954310 FDA National Drug Code directory: CAS 13103-34-9. 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 13103-34-9. Reporting year: 2024. https://usatrade.census.gov/