Product Description 4-Epi-Oxytetracycline Other Details Molecular Formula: C22H24N2O9 Molecular Weight: 460.4 CAS Number: 14206-58-7 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1mg Leadtime:20 Days Sizes 2: 5mg Leadtime:20 Days Sizes 3: 10mg Leadtime:20 Days