Product Description 1,3-Bis(3-nitrophenyl)urea Other Details Molecular Formula: C13H10N4O5 Molecular Weight: 302.25 CAS Number: 1234-21-5 Minimum Purity: 0.98 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: 0 Leadtime:0