(-)-epicubenol is a sesquiterpenoid that is (8aS)-1,2,3,4,4a,5,6,8a-octahydronaphthalene substituted by an isopropyl group at position 1, methyl groups at positions 4 and 7, and by a hydroxy group at position 4a (the 1S,4R,4aS,8aR-diastereoisomer). It has a role as a plant metabolite and a volatile oil component. It is a member of octahydronaphthalenes, a sesquiterpenoid and a tertiary alcohol.