CAS 154674-67-6 appears in our catalog under these names: methyl (2R)-2-{[(benzyloxy)carbonyl]amino}-3-methylbutanoate, 98%, methyl (2R)-2-{[(benzyloxy)carbonyl]amino}-3-methylbutanoate, 98%, 98%. Offered by: Combi-blocks, Chemat. Available pack sizes: 5g, 1g, 100mg, 250mg.