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Benzo[b]thiophen-3(2H)-one, 5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4,7-dimethyl-

CAS 2379-75-1

Molecular structure of 2379-75-1
US productionNot reported
Import value, 2024$9M
Top sourceIndia 67%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 320415 · basket

These shares come from HS customs code 320415, which covers 10 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 67%IndiaCN 14%ChinaNL 9%NetherlandsJP 5%JapanID 2%Indonesia

Why It Matters

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

Chemical Identity

CAS2379-75-1
PubChem CIDNot recorded
DTXSIDDTXSID9062356
FormulaC20H14Cl2O2S2
Mol. Weight421.35 g/mol
SMILESCC1=CC(Cl)=C(C)C2=C1SC(C2=O)=C1SC2=C(C1=O)C(C)=C(Cl)C=C2C

Data Sources

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Brief citations

Benzo[b]thiophen-3(2H)-one, 5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4,7-dimethyl- (CAS 2379-75-1) https://chemicalindependence.com/chemical/2379-75-1/ EPA TSCA Inventory: CAS 2379-75-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 320415 for CAS 2379-75-1. Reporting year: 2024. https://usatrade.census.gov/