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9,12-Octadecadienoic acid (9Z,12Z)-, ethyl ester

CAS 544-35-4

Molecular structure of 544-35-4
US productionNot reported
Import value, 2024$6.1B
Top sourceJapan 32%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 291615, 382499 · basket

These shares come from HS customs code 291615, 382499, which covers 274 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 32%JapanKR 27%South KoreaDE 8%GermanyCA 6%CanadaCN 4%China

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS544-35-4
PubChem CIDNot recorded
DTXSIDDTXSID1060269
FormulaC20H36O2
Mol. Weight308.506 g/mol
SMILESCCCCC\C=C/C\C=C/CCCCCCCC(=O)OCC

Data Sources

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Brief citations

9,12-Octadecadienoic acid (9Z,12Z)-, ethyl ester (CAS 544-35-4) https://chemicalindependence.com/chemical/544-35-4/ EPA TSCA Inventory: CAS 544-35-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291615,382499 for CAS 544-35-4. Reporting year: 2024. https://usatrade.census.gov/