Description 11-Heneicosanone, 97.8%, 5g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Off-white Appearance (Form) Powder Assay (GC) 97.8% Infrared Spectrum Conforms to structure Melting Point 63-65°C CAS: 19781-72-7 FORMULA: C21H42O