Product Description 7-Hydroxy-4-chromone Other Details Molecular Formula: C9H6O3 Molecular Weight: 162.14 CAS Number: 59887-89-7 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days