Product Description HEPES Other Details Molecular Formula: C8H18N2O4S Molecular Weight: 238.3 CAS Number: 7365-45-9 Minimum Purity: >99% UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25g Leadtime:20 Days Sizes 2: 100g Leadtime:20 Days Sizes 3: 250g Leadtime:20 Days