Product Description Pyrazine-2,3-diol Other Details Molecular Formula: C4H4N2O2 Molecular Weight: 112.088 CAS Number: 931-18-0 Minimum Purity: 0.95 UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 100mg Leadtime:50 Days Sizes 2: 250mg Leadtime:50 Days Sizes 3: 1g Leadtime:50 Days