CAS 139679-45-1 appears in our catalog under these names: 1-(4-Fluorobenzoyl)piperidine-4-carboxylic acid, 95%, 1-(4-Fluorobenzoyl)piperidine-4-carboxylic acid, 98%, 98%, 1-(4-Fluoro-benzoyl)-piperidine-4-carboxylic acid, 98%. Offered by: Combi-blocks, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 100mg.