Product Description 2,2-Dimethyl-2H-chromene-6-carboxylic acid Other Details Molecular Formula: C12H12O3 Molecular Weight: 204.22 CAS Number: 34818-56-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:50 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0