Product Description Sulfamethoxypyridazine Other Details Molecular Formula: C11H12N4O3S Molecular Weight: 280.3 CAS Number: 80-35-3 Minimum Purity: >98% (HPLC) 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