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1,3-Dioxepin, 4,7-dihydro-2-(1,1,4-trimethyl-3-penten-1-yl)-

CAS 188357-49-5

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

Molecular structure of 188357-49-5
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

CAS188357-49-5
PubChem CIDNot recorded
DTXSIDDTXSID90889088
FormulaC13H22O2
Mol. Weight210.317 g/mol
SMILESCC(C)=CCC(C)(C)C1OCC=CCO1

Data Sources

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Brief citations

1,3-Dioxepin, 4,7-dihydro-2-(1,1,4-trimethyl-3-penten-1-yl)- (CAS 188357-49-5) https://chemicalindependence.com/chemical/188357-49-5/ EPA TSCA Inventory: CAS 188357-49-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory