Product Description Valeric anhydride Other Details Molecular Formula: C10H18O3 Molecular Weight: 186.25 CAS Number: 2082-59-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 4x25mL Leadtime:20 Days Sizes 2: 5mL Leadtime:20 Days Sizes 3: 25ml Leadtime:20 Days