Pyrifluquinazon

CAS 337458-27-2

US productionNot reported

Import value, 2024$7.6B

Top sourceIreland 61%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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 293359 · basket

These shares come from HS customs code 293359, which covers 295 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IE 61%IrelandCH 30%SwitzerlandGB 2%United KingdomCN 2%ChinaIN 1%India

Israel
Bulgaria
Japan
Spain
Sweden
Canada
Taiwan
Finland
Portugal
Mexico
Belgium
Hungary
Austria
Brazil
Ukraine
Croatia
Malta
South Korea
South Africa
Denmark
Czech Republic
Malaysia
Argentina
Poland
Cameroon
Australia
Hong Kong
Slovakia
Latvia

Why It Matters

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

Chemical Identity

CAS337458-27-2

PubChem CIDNot recorded

DTXSIDDTXSID6058057

FormulaC19H15F7N4O2

Mol. Weight464.344 g/mol

SMILESCC(=O)N1C(=O)N(CC2=C1C=CC(=C2)C(F)(C(F)(F)F)C(F)(F)F)NCC1=CN=CC=C1

Data Sources

EPA CompTox (DSSTox) · DTXSID6058057Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Pyrifluquinazon (CAS 337458-27-2) https://chemicalindependence.com/chemical/337458-27-2/ EPA CompTox (DSSTox): 337458-27-2. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6058057 US Census international trade: HS 293359 for CAS 337458-27-2. Reporting year: 2024. https://usatrade.census.gov/