Product Description (R)-Azelastine Other Details Molecular Formula: C22H24ClN3O Molecular Weight: 381.9 CAS Number: 143228-84-6 Minimum Purity: 0.95 UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 2mg Leadtime:65 Days Sizes 2: 5mg Leadtime:65 Days Sizes 3: 10mg Leadtime:65 Days