CAS 42106-50-3 appears in our catalog under these names: 5-Nitro-2-piperidin-1-yl-benzoic acid, 95%, 5-nitro-2-(piperidin-1-yl)benzoic acid, 97%, 5-Nitro-2-(piperidine-1-yl)benzoic acid, 97%. Offered by: Combi-blocks, Chemat, Fluorochem. Available pack sizes: 1g, 10g, 5g, 100mg, 250mg.