CAS 1820580-02-6 appears in our catalog under these names: 4-tert-butyl 1-methyl (2R)-2-{[(benzyloxy)carbonyl]amino}butanedioate hydrate, 95%, D-Aspartic acid, N-((phenylmethoxy)carbonyl)-, 4-(1,1-dimethylethyl) 1-methyl ester, hydrate, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 5g, 1g, 25g.