CAS 189249-10-3 appears in our catalog under these names: Fmoc-L-cis-Hyp-OH 98%, (2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-hydroxypyrrolidine-2-carboxylic acid, 98%, 98%, (2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-hydroxypyrrolidine-2-carboxylic acid, 95%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, 25g.