Pyridinium, 1-(carboxymethyl)-3-methyl-, inner salt

CAS 178390-29-9

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

Molecular structure of 178390-29-9
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

CAS178390-29-9
PubChem CIDNot recorded
DTXSIDDTXSID201369677
FormulaC8H9NO2
Mol. Weight151.165 g/mol
SMILESCC1=CC=C[N+](CC([O-])=O)=C1

Data Sources

Brief citations

Pyridinium, 1-(carboxymethyl)-3-methyl-, inner salt (CAS 178390-29-9) https://chemicalindependence.com/chemical/178390-29-9/ EPA TSCA Inventory: CAS 178390-29-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory