Prothioconazole

CAS 178928-70-6

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.

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

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

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

Taiwan
Poland
Canada
Ivory Coast
Greece
Hungary
Indonesia
Latvia
Belgium
Slovakia
Czech Republic
Austria
Netherlands
Finland
Denmark
Croatia
Australia
South Africa
Sweden
Hong Kong
Malta
Singapore
Lithuania
Malaysia
Oman
Serbia

Why It Matters

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

Chemical Identity

CAS178928-70-6

PubChem CIDNot recorded

DTXSIDDTXSID4034869

FormulaC14H15Cl2N3OS

Mol. Weight344.25 g/mol

SMILESOC(CN1N=CNC1=S)(CC1=C(Cl)C=CC=C1)C1(Cl)CC1

Data Sources

EPA CompTox (DSSTox) · DTXSID4034869Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Prothioconazole (CAS 178928-70-6) https://chemicalindependence.com/chemical/178928-70-6/ EPA CompTox (DSSTox): 178928-70-6. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4034869 US Census international trade: HS 293399 for CAS 178928-70-6. Reporting year: 2024. https://usatrade.census.gov/