CAS 356089-44-6 appears in our catalog under these names: 4-([4-(4-tert-Butylphenoxy)phenyl]amino)-4-oxobutanoic acid, 95%, 4-((4-(4-(tert-Butyl)phenoxy)phenyl)amino)-4-oxobutanoic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.