CAS 88574-53-2 appears in our catalog under these names: N-Boc-b-alanine ethyl ester, Ethyl 3-((tert-butoxycarbonyl)amino)propanoate 95%, Ethyl 3-([(tert-butoxy)carbonyl]amino)propanoate, 95%, 95%, Ethyl 3-((tert-butoxycarbonyl)amino)propanoate, 97%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 2g, 100mg, 250mg, 1g, 5g, 25g, 2.5g, 10g.