Product Description 5-Aminopyridazin-3(2H)-one Other Details Molecular Formula: C4H5N3O Molecular Weight: 111.1 CAS Number: 89033-30-7 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: 5g Leadtime:20 Days Sizes 3: 10g Leadtime:20 Days