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1-(4-Methoxyphenyl)-4-methyl-1-penten-3-one

CAS 103-13-9

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

Molecular structure of 103-13-9
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

CAS103-13-9
PubChem CIDNot recorded
DTXSIDDTXSID3059268
FormulaC13H16O2
Mol. Weight204.269 g/mol
SMILESCOC1=CC=C(C=CC(=O)C(C)C)C=C1

Data Sources

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Brief citations

1-(4-Methoxyphenyl)-4-methyl-1-penten-3-one (CAS 103-13-9) https://chemicalindependence.com/chemical/103-13-9/ EPA CompTox (DSSTox): 103-13-9. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3059268 EPA TSCA Inventory: CAS 103-13-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory