CAS 176794-99-3 appears in our catalog under these names: Methyl (2r)-2-[(tert-butoxy)carbonylamino]-3-(4-fluorophenyl)propanoate, 95%, Methyl (2r)-2-((tert-butoxy)carbonylamino)-3-(4-fluorophenyl)propanoate, 95%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 5g, 1g.