Imazethapyr

CAS 81335-77-5

Molecular structure of 81335-77-5
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%

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 293339 · basket

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland

Why It Matters

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

Chemical Identity

CAS81335-77-5
PubChem CIDNot recorded
DTXSIDDTXSID3024287
FormulaC15H19N3O3
Mol. Weight289.335 g/mol
SMILESCCC1=CN=C(C2=NC(C)(C(C)C)C(=O)N2)C(=C1)C(O)=O

Data Sources

Brief citations

Imazethapyr (CAS 81335-77-5) https://chemicalindependence.com/chemical/81335-77-5/ EPA CompTox (DSSTox): 81335-77-5. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3024287 US Census international trade: HS 293339 for CAS 81335-77-5. Reporting year: 2024. https://usatrade.census.gov/