CAS 487-19-4 appears in our catalog under these names: Nicotine EP Impurity B (beta-Nicotyrine), beta-Nicotyrine, >95% (HPLC), β-Nicotyrine, 98%, 3-(1-Methyl-1H-pyrrol-2-yl)pyridine (beta-Nicotyrine), beta-Nicotyrine/ 100%. Offered by: Chemat Brand, TRC, AmBeed, Mikromol, TargetMol. Available pack sizes: on request, 100mg, 10mg, 25mg, 1g, 1mg, 5mg, 50mg.