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Cholesteryl oleate

CAS 303-43-5

Cholest-5-en-3-ol (3β)-, 3-[(9Z)-9-octadecenoate]

Molecular structure of 303-43-5
US productionNot reported
Import value, 2024$10M
Top sourceIndia 25%

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 · basket

These shares come from HS customs code 291615, which covers 71 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 25%IndiaIT 19%ItalyID 15%IndonesiaDE 8%GermanyCN 8%China

Why It Matters

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

Chemical Identity

CAS303-43-5
PubChem CIDNot recorded
DTXSIDDTXSID901014621
FormulaC45H78O2
Mol. Weight651.117 g/mol
SMILES[H][C@@]1(CC[C@@]2([H])[C@]3([H])CC=C4C[C@H](CC[C@]4(C)[C@@]3([H])CC[C@]12C)OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H](C)CCCC(C)C

Data Sources

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Brief citations

Cholesteryl oleate (CAS 303-43-5) https://chemicalindependence.com/chemical/303-43-5/ EPA TSCA Inventory: CAS 303-43-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291615 for CAS 303-43-5. Reporting year: 2024. https://usatrade.census.gov/