Product Description 2-Nitro-1H-pyrrole Other Details Molecular Formula: C4H4N2O2 Molecular Weight: 112.09 CAS Number: 5919-26-6 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days