Other name: AI3-19231; CCRIS 1724; NSC 4649; alpha-Chloropyridine; o-Chloropyridine; Pyridine, 2-chloro-; 2-Chloropyridine CAS No.: 109-09-1 EINECS No.: 203-646-3 Molecular formula: C5H4ClN Molecular weight: 113.545