Product Description Azelastine Other Details Molecular Formula: C22H24ClN3O Molecular Weight: 381.9 CAS Number: 58581-89-8 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:50 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0