CAS 5678-48-8 appears in our catalog under these names: 3-Amino-3-(2-nitrophenyl)propanoic acid, 98%, 3-Amino-3-(2-nitrophenyl)propionic acid, 98% , 3-Amino-3-(2-nitrophenyl)propanoic Acid, 98%, 98%, 3-(2-Nitrophenyl)-DL-ß-alanine, 97%. Offered by: Combi-blocks, Thermo Scientific (Alfa Aesar), Chemat, Fluorochem. Available pack sizes: 1g, 25g, 5g, 100g, 250mg, 10g.