Carfentrazone-ethyl

CAS 128639-02-1

Molecular structure of 128639-02-1
US productionNot reported
Import value, 2024$1.4B
Top sourceIreland 33%

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 293399 · basket

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy

Why It Matters

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

Chemical Identity

CAS128639-02-1
PubChem CIDNot recorded
DTXSIDDTXSID4032532
FormulaC15H14Cl2F3N3O3
Mol. Weight412.19 g/mol
SMILESCCOC(=O)C(Cl)CC1=C(Cl)C=C(F)C(=C1)N1N=C(C)N(C(F)F)C1=O

Data Sources

Brief citations

Carfentrazone-ethyl (CAS 128639-02-1) https://chemicalindependence.com/chemical/128639-02-1/ EPA CompTox (DSSTox): 128639-02-1. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4032532 US Census international trade: HS 293399 for CAS 128639-02-1. Reporting year: 2024. https://usatrade.census.gov/