CAS 2227864-52-8 appears in our catalog under these names: Fmoc-trans-5-Me-HoPro-OH 97%, (2S,5R)-1-Fmoc-5-methylpiperidine-2-carboxylic acid, 97%, 97%, (2S,5R)-1-(9H-fluoren-9-ylmethoxycarbonyl)-5-methyl-piperidine-2-carboxylic acid, 97%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 25mg, 100mg, 250mg, 1g.