Product Description Azithromycin N-Oxide Other Details Molecular Formula: C38H72N2O13 Molecular Weight: 764.98 CAS Number: 90503-06-3 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 2mg Leadtime:65 Days Sizes 2: 5mg Leadtime:65 Days Sizes 3: 10mg Leadtime:65 Days