CAS 250611-12-2 appears in our catalog under these names: Boc-d-4-tert-butylphenylalanine, 95%, (R)-2-((tert-Butoxycarbonyl)amino)-3-(4-(tert-butyl)phenyl)propanoic acid, 97%, 97%, (R)-2-((tert-Butoxycarbonyl)amino)-3-(4-(tert-butyl)phenyl)propanoic acid, 95%. Offered by: Combi-blocks, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 250mg.