Product Description Metformin HCl Other Details Molecular Formula: C4H12ClN5 Molecular Weight: 165.62 CAS Number: 1115-70-4 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 4x25g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days