CAS 590357-68-9 appears in our catalog under these names: 2-(4-tert-Butylphenyl)-6-ethylquinoline-4-carboxylic acid, 95%, 2-(4-(tert-Butyl)phenyl)-6-ethylquinoline-4-carboxylic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.