Product Description Parecoxib Other Details Molecular Formula: C19H18N2O4S Molecular Weight: 370.42 CAS Number: 198470-84-7 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5mg Leadtime:20 Days Sizes 2: 25mg Leadtime:20 Days Sizes 3: 50mg Leadtime:20 Days