Product Description (S)-Azelastine Hydrochloride Other Details Molecular Formula: C22H25Cl2N3O Molecular Weight: 418.4 CAS Number: 153408-27-6 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1mg Leadtime:65 Days Sizes 2: 2mg Leadtime:65 Days Sizes 3: 5mg Leadtime:65 Days