Product Description Betahistine Methanesulfonate Other Details Molecular Formula: C8H12N2.2CH4O3S Molecular Weight: 328.41 CAS Number: 54856-23-4 Minimum Purity: 0.99 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days