dihydro-5-methyl-5-vinylfuran-2(3H)-one

4-Hydroxy-4-methyl-5-hexenoic acid gamma-lactone has a floral aroma.

Reportedly present in papaya, wine, tea, grapes (Vitis vinifera), coriander seed, calamus, sage and maté

4-Methyl-4-vinyl-4-butanolide is an intermediate in the synthesis of γ-CEHC (C249200) which is a metabolite of γ-Tocopherol (T526140); one of the naturally occurring forms of Vitamin E found most abundantly in soybean and corn oils.