Product Description Benzophenone-9 Other Details Molecular Formula: C15H12Na2O11S2 Molecular Weight: 478.36 CAS Number: 76656-36-5 Minimum Purity: >98% (HPLC) 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: 100mg Leadtime:20 Days