CAS 507472-25-5 appears in our catalog under these names: Fmoc–(S)–3–amino–3–(2–nitrophenyl)propionic acid, (S)-3-(Fmoc-amino)-3-(2-nitrophenyl)propionic acid, 95% , Fmoc-(S)-3-amino-3-(2-nitrophenyl)propionic acid, Fmoc-L-b-Phe(2-NO2)-OH 95%, Fmoc-(S)-3-Amino-3-(2-nitro-phenyl)-propionic acid, 95%, 95%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, Ambeed, Chemat. Available pack sizes: 100mg, 1g, 250mg, 5g, 500mg, 2000mg, 1000mg, 10g.