Description Isophthalaldehyde, 97%, 5g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) White Appearance (Form) Crystalline powder Assay (Titration) 97% Titratium (Method) with Hydroxylamine Purity (HPLC Area %) 97% Proton NMR Spectrum Conforms to structure CAS: 626-19-7 FORMULA: C6H4-1,3-(CHO)2