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5-Ethyl-2-hydroxy-3-methyl-2-cyclopenten-1-one

CAS 53263-58-4

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

Molecular structure of 53263-58-4
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

CAS53263-58-4
PubChem CIDNot recorded
DTXSIDDTXSID40967840
FormulaC8H12O2
Mol. Weight140.182 g/mol
SMILESCCC1CC(C)=C(O)C1=O

Data Sources

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Brief citations

5-Ethyl-2-hydroxy-3-methyl-2-cyclopenten-1-one (CAS 53263-58-4) https://chemicalindependence.com/chemical/53263-58-4/ EPA CompTox (DSSTox): 53263-58-4. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID40967840