Description 3-Hydroxyflavone, 98.8%, 5g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Pale Yellow Appearance (Form) Fibrous powder Infrared Spectrum Conforms to structure Proton NMR Conforms to structure Assay (Gas Liquid) 98.8% CAS: 577-85-5 FORMULA: C15H10O3