CAS 172846-56-9 appears in our catalog under these names: methyl (2S)-6-{[(tert-butoxy)carbonyl]amino}-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}hexanoate, 95%, Fmoc-Lys(Boc)-OMe 98%, methyl (2S)-6-{[(tert-butoxy)carbonyl]amino}-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}hexanoate, 98%, 98%, (S)-METHYL 2-((((9H-FLUOREN-9-YL)METHOXY)CARBONYL)AMINO)-6-((TERT-BUTOXYCARBONYL)AMINO)HEXANOATE, 98%. Offered by: Combi-blocks, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 1g, 100mg, 250mg.