Penthiopyrad

CAS 183675-82-3

Molecular structure of 183675-82-3
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

CAS183675-82-3
PubChem CIDNot recorded
DTXSIDDTXSID6058005
FormulaC16H20F3N3OS
Mol. Weight359.41 g/mol
SMILESCC(C)CC(C)C1=C(NC(=O)C2=CN(C)N=C2C(F)(F)F)C=CS1

Data Sources

Brief citations

Penthiopyrad (CAS 183675-82-3) https://chemicalindependence.com/chemical/183675-82-3/ EPA CompTox (DSSTox): 183675-82-3. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6058005 US Census international trade: HS 293499 for CAS 183675-82-3. Reporting year: 2024. https://usatrade.census.gov/