ethyl (1s,5r,6s)-5-(1-ethylpropoxy)-7-oxabicyclo(4.1.0)hept-3-ene-3-carboxylate

Drug ingredient

CAS 204254-96-6

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

US productionNot reported

Import value, 2024$370M

Top sourceIndia 45%

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 291899 · basket

These shares come from HS customs code 291899, which covers 139 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 45%IndiaCN 35%ChinaGB 7%United KingdomCO 3%ColombiaCH 3%Switzerland

Austria
Hungary
South Korea
Taiwan
Czech Republic
Mexico
Spain
Ukraine
Estonia
Australia
Israel
Singapore
Slovakia
Russia

1 FDA-registered drug labeler

FUJIAN FUKANG PHARMACEUTICAL CO., LTD.

Why It Matters

Sectors

Health

Downstream UsesNot recorded

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

Vendor Pricing

$4.22/gAK Scientific Specialized

CountryUnited States

Pack$422.00 / 100 g

Purity95%

Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

1 more vendor

Vendor	Country	$/g	Pack	Purity
AK Scientific, Inc.	United States	$5.91	100 g	98%

Chemical Identity

CAS204254-96-6

PubChem CID10131259

DTXSIDDTXSID50942603

FormulaC14H22O4

Mol. Weight254.32 g/mol

SMILESCCC(CC)OC1C=C(CC2C1O2)C(=O)OCC

Data Sources

PubChem · compound 10131259Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Health

Brief citations

ethyl (1s,5r,6s)-5-(1-ethylpropoxy)-7-oxabicyclo(4.1.0)hept-3-ene-3-carboxylate (CAS 204254-96-6) https://chemicalindependence.com/chemical/204254-96-6/ PubChem: 10131259. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/10131259 FDA National Drug Code directory: CAS 204254-96-6. 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 291899 for CAS 204254-96-6. Reporting year: 2024. https://usatrade.census.gov/