Product Description 5-Methoxypyridazin-3(2H)-one Other Details Molecular Formula: C5H6N2O2 Molecular Weight: 126.11 CAS Number: 123696-01-5 Minimum Purity: 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