CAS 2171139-20-9 appears in our catalog under these names: Fmoc-L-Ile-Aib-OH, Fmoc-Ile-Aib-OH 98%, 2-((2S,3S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methylpentanamido)-2-methylpropanoic acid, 98%, 98%, Fmoc-L-Ile-Aib-OH, 98%. Offered by: Iris Biotech, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 25g, 1g, 100g, 250mg, 10g, 50g, 100mg.