2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-4-methyl-

CAS 42348-12-9

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

Molecular structure of 42348-12-9
US productionNot reported
Top sourceNo public record

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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

CAS42348-12-9
PubChem CIDNot recorded
DTXSIDDTXSID50885864
FormulaC8H12O2
Mol. Weight140.182 g/mol
SMILESCCC1=C(O)C(=O)CC1C

Data Sources

Brief citations

2-Cyclopenten-1-one, 3-ethyl-2-hydroxy-4-methyl- (CAS 42348-12-9) https://chemicalindependence.com/chemical/42348-12-9/ EPA CompTox (DSSTox): 42348-12-9. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50885864 EPA TSCA Inventory: CAS 42348-12-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory