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1-(3-Hydroxy-5-methylthiophen-2-yl)ethan-1-one

CAS 133860-42-1

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

Molecular structure of 133860-42-1
US productionNot reported
Top sourceNo public record

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

No public supply or use records

Neither EPA production reports, Census trade data nor FDA listings cover this chemical, so no one publishes where the US gets it or what it goes into. Why supply is unknown

Chemical Identity

CAS133860-42-1
PubChem CIDNot recorded
DTXSIDDTXSID60928296
FormulaC7H8O2S
Mol. Weight156.2 g/mol
SMILESCC(=O)C1=C(O)C=C(C)S1

Data Sources

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Brief citations

1-(3-Hydroxy-5-methylthiophen-2-yl)ethan-1-one (CAS 133860-42-1) https://chemicalindependence.com/chemical/133860-42-1/ EPA CompTox (DSSTox): 133860-42-1. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID60928296