Product Description (S)-Naproxen Other Details Molecular Formula: C14H14O3 Molecular Weight: 230.26 CAS Number: 22204-53-1 Minimum Purity: 99% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:20 Days Sizes 2: 100mg Leadtime:20 Days Sizes 3: 0 Leadtime:0