CAS 261165-04-2 appears in our catalog under these names: Boc-l-styrylalanine-dcha, 95%, Boc-3-Styryl-Ala-OH, 95%, (S)-2-((tert-Butoxycarbonyl)amino)-5-phenylpent-4-enoic acid, 95%. Offered by: Combi-blocks, Ambeed, Chemat, BLDpharm. Available pack sizes: 1g, 5g, 250mg, 100mg.