CAS 581-45-3 appears in our catalog under these names: 4-(4-Piperidyl)pyridine, 95%, 4-(4-Piperidyl)pyridine, >98.0%(T), 4-(Piperidin-4-yl)pyridine 97%, 4-(Piperidin-4-yl)pyridine, 98%, 98%, 1,2,3,4,5,6-Hexahydro-[4,4']bipyridinyl, 98%. Offered by: Combi-blocks, TCI, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 250mg, 100mg, 500mg, 10g.