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