CAS 1404877-92-4 appears in our catalog under these names: 2-((tert-Butoxycarbonyl)amino)-2-(4-ethoxyphenyl)acetic acid, 97%, 2-((tert-Butoxycarbonyl)amino)-2-(4-ethoxyphenyl)acetic acid, 98%, 2-{((tert-Butoxy)carbonyl)amino}-2-(4-ethoxyphenyl)acetic acid. Offered by: Combi-blocks, AmBeed, Biosynth. Available pack sizes: 1g, 250mg, 100mg, 5g, 10g.