CAS 438231-24-4 appears in our catalog under these names: 6,8-Dimethyl-2-(5-methylthien-2-yl)quinoline-4-carboxylic acid, 95%, 6,8-Dimethyl-2-(5-methylthiophen-2-yl)quinoline-4-carboxylic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.