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: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 100mg Leadtime:50 Days Sizes 2: 250mg Leadtime:50 Days Sizes 3: 1g Leadtime:50 Days