Description D-Glucoheptono-1,4-lactone, 99.7%, 95g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) White Appearance (Form) Crystalline powder Infrared Spectrum Conforms to structure Optical Rotation -53.0 Degrees (C=4%, H2O) Gas Liquid 99.7% Solubility 50mg/ml, H2O; clear, colorless solution CAS: 89-67-8 FORMULA: C7H12O7