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Benzothiazolium, 5,6-dimethoxy-3-(3-sulfopropyl)-, inner salt

CAS 188999-66-8

EPA and Census publish no US supply data for this chemical.

Molecular structure of 188999-66-8
US productionNot reported
Top sourceNo public record

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

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

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

Chemical Identity

CAS188999-66-8
PubChem CIDNot recorded
DTXSIDDTXSID101180014
FormulaC12H15NO5S2
Mol. Weight317.37 g/mol
SMILESCOC1=C(OC)C=C2C(SC=[N+]2CCCS([O-])(=O)=O)=C1

Data Sources

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Brief citations

Benzothiazolium, 5,6-dimethoxy-3-(3-sulfopropyl)-, inner salt (CAS 188999-66-8) https://chemicalindependence.com/chemical/188999-66-8/ EPA TSCA Inventory: CAS 188999-66-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory