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Flumioxazin

CAS 103361-09-7

Molecular structure of 103361-09-7
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

CAS103361-09-7
PubChem CIDNot recorded
DTXSIDDTXSID7032555
FormulaC19H15FN2O4
Mol. Weight354.337 g/mol
SMILESFC1=CC2=C(C=C1N1C(=O)C3=C(CCCC3)C1=O)N(CC#C)C(=O)CO2

Data Sources

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Brief citations

Flumioxazin (CAS 103361-09-7) https://chemicalindependence.com/chemical/103361-09-7/ EPA CompTox (DSSTox): 103361-09-7. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7032555 US Census international trade: HS 293499 for CAS 103361-09-7. Reporting year: 2024. https://usatrade.census.gov/