CAS 3195-65-1 appears in our catalog under these names: (S)-2-Amino-3-(4-hydroxy-3-nitro-phenyl)-propionic acid methyl ester, 95%, (S)-Methyl 2-amino-3-(4-hydroxy-3-nitrophenyl)propanoate, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 5g, 1g.