Product Description Sulfapyridine Other Details Molecular Formula: C11H11N3O2S Molecular Weight: 249.29 CAS Number: 144-83-2 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days