CAS 899897-21-3 appears in our catalog under these names: Methyl 5-bromo-2-methylthiazole-4-carboxylate 95%, methyl 5-bromo-2-methyl-1,3-thiazole-4-carboxylate, 95%, 95%, Methyl 5-bromo-2-methylthiazole-4-carboxylate, 95%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 1g, 5g, 10g.