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2H-Pyran, 2-butyltetrahydro-6-methyl-4-methylene-

CAS 24237-02-3

Molecular structure of 24237-02-3
US productionNot reported
Import value, 2024$3.5B
Top sourceIreland 57%

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 293299 · basket

These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 57%IrelandNL 24%NetherlandsCH 8%SwitzerlandCN 5%ChinaIT 2%Italy

Why It Matters

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

Chemical Identity

CAS24237-02-3
PubChem CIDNot recorded
DTXSIDDTXSID90865140
FormulaC11H20O
Mol. Weight168.28 g/mol
SMILESCCCCC1CC(=C)CC(C)O1

Data Sources

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Brief citations

2H-Pyran, 2-butyltetrahydro-6-methyl-4-methylene- (CAS 24237-02-3) https://chemicalindependence.com/chemical/24237-02-3/ EPA TSCA Inventory: CAS 24237-02-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293299 for CAS 24237-02-3. Reporting year: 2024. https://usatrade.census.gov/