Description exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic Anhydride, 98+%, 25g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Off-white Appearance (Form) Crystalline Purity by Titration 98+% Purity by Elemental Analysis (C) 57.0-58.8% Purity by TLC Consistent with purity Solubility 25mg/ml CHCl3; Faint yellow solution - Conforms CAS: 6118-51-0 FORMULA: C8H6O4