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Isoxaben

CAS 82558-50-7

Molecular structure of 82558-50-7
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India

Why It Matters

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

Chemical Identity

CAS82558-50-7
PubChem CIDNot recorded
DTXSIDDTXSID8024159
FormulaC18H24N2O4
Mol. Weight332.4 g/mol
SMILESCCC(C)(CC)C1=NOC(NC(=O)C2=C(OC)C=CC=C2OC)=C1

Data Sources

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Brief citations

Isoxaben (CAS 82558-50-7) https://chemicalindependence.com/chemical/82558-50-7/ EPA CompTox (DSSTox): 82558-50-7. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8024159 US Census international trade: HS 293499 for CAS 82558-50-7. Reporting year: 2024. https://usatrade.census.gov/