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(Z)-5-Hex-3-enyldihydro-5-methylfuran-2(3H)-one

CAS 70851-61-5

2(3H)-Furanone, 5-(3Z)-3-hexen-1-yldihydro-5-methyl-

Molecular structure of 70851-61-5
US productionNot reported
Import value, 2024$286M
Top sourceChina 48%

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 293220 · basket

These shares come from HS customs code 293220, which covers 151 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 48%ChinaIN 15%IndiaJP 7%JapanGB 7%United KingdomCH 7%Switzerland

Why It Matters

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

Chemical Identity

CAS70851-61-5
PubChem CIDNot recorded
DTXSIDDTXSID1052454
FormulaC11H18O2
Mol. Weight182.263 g/mol
SMILESCC\C=C/CCC1(C)CCC(=O)O1

Data Sources

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Brief citations

(Z)-5-Hex-3-enyldihydro-5-methylfuran-2(3H)-one (CAS 70851-61-5) https://chemicalindependence.com/chemical/70851-61-5/ EPA TSCA Inventory: CAS 70851-61-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293220 for CAS 70851-61-5. Reporting year: 2024. https://usatrade.census.gov/