Product Description Oxypurinol Other Details Molecular Formula: C5H4N4O2 Molecular Weight: 152.11 CAS Number: 2465-59-0 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0