Product Description Rifamycin O Other Details Molecular Formula: C39H47NO14 Molecular Weight: 753.79 CAS Number: 14487-05-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:65 Days Sizes 2: 50mg Leadtime:65 Days Sizes 3: 100mg Leadtime:65 Days