Product Description 5-Formyl-5,6,7,8-tetrahydrofolic acid calcium salt hydrate Other Details Molecular Formula: C20H21CaN7O7.xH2O Molecular Weight: 511.51 (anhy) CAS Number: 1492-18-8 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 0 Leadtime:0