CAS 405555-31-9 appears in our catalog under these names: tert-butyl 3-[(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-methoxy-3-oxopropyl]indole-1-carboxylate, 95%, Fmoc-L-Trp(Boc)-OMe 97%. Offered by: Combi-blocks, Ambeed. Available pack sizes: 5g, 1g, 100mg, 250mg.