CAS 853749-61-8 appears in our catalog under these names: Methyl (7,8-dihydroxy-4-methyl-2-oxo-2h-chromen-3-yl)acetate, 95%, Methyl 2-(7,8-dihydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.