... , 2010Analysis Date: Jan, 10th, 2010AnalysisSpecificationResultAppearanceOff white powderCompliedMelting range85~8885~88Assay(HPLC)≥99%99.50%Mesh size200mesh200meshLoss on drying≤0.5%0 ... properly stored. pterostilbene CAS 537-42-8, 25-99%, pharma grade pterostilbene powder