Product Description (R)-Azelastine Other Details Molecular Formula: C22H24ClN3O Molecular Weight: 381.9 CAS Number: 143228-84-6 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