Flag of the United StatesAmerican Chemical Independence

4a,7-Methano-4aH-naphth[1,8a-b]oxirene, octahydro-4,4,8,8-tetramethyl-

CAS 67999-56-8

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

Molecular structure of 67999-56-8
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

CAS67999-56-8
PubChem CIDNot recorded
DTXSIDDTXSID90865307
FormulaC15H24O
Mol. Weight220.356 g/mol
SMILESCC1(C)C2CCC3(C2)C11OC1CCC3(C)C

Data Sources

← Back to Dashboard

Brief citations

4a,7-Methano-4aH-naphth[1,8a-b]oxirene, octahydro-4,4,8,8-tetramethyl- (CAS 67999-56-8) https://chemicalindependence.com/chemical/67999-56-8/ EPA TSCA Inventory: CAS 67999-56-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory