CAS 1261937-15-8 appears in our catalog under these names: 3-(4-BOC-Aminophenyl)-5-chlorobenzoic acid, 98%, 4'-((tert-Butoxycarbonyl)amino)-5-chloro-(1,1'-biphenyl)-3-carboxylic acid, 98%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 10g, 5g.