CAS 102507-18-6 appears in our catalog under these names: (2R, 3S)/(2S, 3R)-Racemic Boc-beta-hydroxyphenylalanine, 97%, 2–((tert–Butoxycarbonyl)amino)–3–hydroxy–3–phenylpropanoic acid, Boc-beta-hydroxy-Phe-OH (RS,SR), rel-(βS)-N-[(1,1-Dimethylethoxy)carbonyl]-β-hydroxy-D-phenylalanine, 99%, 99%. Offered by: Combi-blocks, GLPBio, Iris Biotech, Chemat. Available pack sizes: 1g, 10g, 25g, 5g.