Product Description Columbianetin acetate Other Details Molecular Formula: C16H16O5 Molecular Weight: 288.3 CAS Number: 23180-65-6 Minimum Purity: 0.98 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