Product Name: Calcium L-Threonate Type: Food Additives Origin: China CAS No.: 70753-61-6 AUCO No.: 426 Packing: 25kg/drum Items Standard Appearance The product is white fine granular powder, odorless and tasteless. Identification Take about 0.lg of this product,dissolve inwater to 5ml, add one dropofferrictrichloride solution, generate the yellowish green. Assay (on thedried basis) 98.0% Specific rotation +13.0~ +16.0 H 6.0~8.0 Loss on drying 1.5% Heavy metal (As) 3ppm Heavy metal (Pb) 2ppm Chloride 0.5%