Product Description 5-Chloropyridazin-3-(2H)-one Other Details Molecular Formula: C4H3ClN2O Molecular Weight: 130.53 CAS Number: 660425-07-0 Minimum Purity: 0.95 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