CAS 2640489-35-4 appears in our catalog under these names: Fmoc-L-6-AzaTrp-OH, (S)-2-N-Fmoc-3-(1H-pyrrolo[2,3-c]pyridin-3-yl)propanoic acid, 97%, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(1H-pyrrolo[2,3-c]pyridin-3-yl)propanoic acid, 97%. Offered by: Iris Biotech, Ambeed, Chemat, BLDpharm. Available pack sizes: 1g, 100mg, 50mg, 250mg, 5g.