Product Description 3-Bromo-2-chromenone Other Details Molecular Formula: C9H5BrO2 Molecular Weight: 225.04 CAS Number: 939-18-4 Minimum Purity: 0.97 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:50 Days Sizes 2: 250mg Leadtime:50 Days Sizes 3: 1g Leadtime:50 Days