Description 4-Methoxy-6-methyl-2H-pyran-2-one, 97%, 1g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Beige Appearance (Form) Crystalline powder Purity (GC) 97% Infrared Spectrum Conforms to structure CAS: 672-89-9 FORMULA: C7H8O3