CAS 116611-58-6 appears in our catalog under these names: methyl (2R)-2-{[(tert-butoxy)carbonyl]amino}pentanoate, 95%, Methyl (2R)–2–{((tert–butoxy)carbonyl)amino}pentanoate. Offered by: Combi-blocks, GLPBio. Available pack sizes: 5g, 1g, 100mg, 250mg.