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Ethynodiol diacetate

Drug ingredient

CAS 297-76-7

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

Molecular structure of 297-76-7
US productionNot reported
Import value, 2024$76M
Top sourceSpain 35%

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 293723 · basket

These shares come from HS customs code 293723, which covers 29 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
ES 35%SpainNL 19%NetherlandsCN 18%ChinaIT 16%ItalyHU 4%Hungary
2 FDA-registered drug labelers
Aspen Oss B.V.
Symbiotec Pharmalab Limited

Why It Matters

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

Chemical Identity

CAS297-76-7
PubChem CID9270
DTXSIDDTXSID4020614
FormulaC24H32O4
Mol. Weight384.5 g/mol
SMILESCC(=O)OC1CCC2C3CCC4(C(C3CCC2=C1)CCC4(C#C)OC(=O)C)C

Data Sources

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Brief citations

Ethynodiol diacetate (CAS 297-76-7) https://chemicalindependence.com/chemical/297-76-7/ PubChem: 9270. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9270 FDA National Drug Code directory: CAS 297-76-7. 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 293723 for CAS 297-76-7. Reporting year: 2024. https://usatrade.census.gov/