Product Description 4,5-Imidazoledicarboxylic acid Other Details Molecular Formula: C5H4N2O4 Molecular Weight: 156.1 CAS Number: 570-22-9 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days