CAS 119771-23-2 appears in our catalog under these names: (S)–3–(4–Boronophenyl)–2–((tert–butoxycarbonyl)amino)propanoic acid, Boc-L-BPA-OH, Boc-Phe(4-B)-OH 98%, (S)-3-(4-Boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid, 98%, 98%, (S)-3-(4-BORONOPHENYL)-2-((TERT-BUTOXYCARBONYL)AMINO)PROPANOIC ACID, 97%. Offered by: GLPBio, Iris Biotech, Ambeed, Chemat, Fluorochem. Available pack sizes: 100g, 10g, 25g, 5g, 1g, 500g, 1000g, 1kg.