Naphtho[2,3-d]thiazolium, 2-methyl-3-(3-sulfopropyl)-, inner salt

CAS 99377-82-9

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

Molecular structure of 99377-82-9
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

CAS99377-82-9
PubChem CIDNot recorded
DTXSIDDTXSID9072995
FormulaC15H15NO3S2
Mol. Weight321.41 g/mol
SMILESCC1=[N+](CCCS([O-])(=O)=O)C2=CC3=CC=CC=C3C=C2S1

Data Sources

Brief citations

Naphtho[2,3-d]thiazolium, 2-methyl-3-(3-sulfopropyl)-, inner salt (CAS 99377-82-9) https://chemicalindependence.com/chemical/99377-82-9/ EPA TSCA Inventory: CAS 99377-82-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory