Product Description Isobutyric anhydride Other Details Molecular Formula: C8H14O3 Molecular Weight: 158.2 CAS Number: 97-72-3 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 4x25g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days