Description Calcium D-gluconate, 99.5%, 500g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) White Appearance (Form) Powder Assay (Titration) 99.5% Chloride (Cl) 0.01%Sulfate (SO4) 0.008%Arsenic (As) <0.0003%Heavy Metals (as Pb) <0.001%Sucrose & Reducing Sugars Passes test CAS: 299-28-5 FORMULA: C12H22CaO14·H2O