Product Description Oxacyclotetradecane Erythromycin Derivative Other Details Molecular Formula: C38H67NO12 Molecular Weight: 729.9 CAS Number: 144604-03-5 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 10mg Leadtime:65 Days Sizes 2: 25mg Leadtime:65 Days Sizes 3: 50mg Leadtime:65 Days