CAS 2578-45-2 appears in our catalog under these names: 2-Chloro-3,5-dinitropyridine, 98+%, 2-Chloro-3,5-dinitropyridine 98%, 2-Chloro-3,5-dinitropyridine, 98%, 2-Chloro-3,5-dinitropyridine, >98.0%(GC). Offered by: Thermo Scientific (Acros), Ambeed, Fluorochem, TCI. Available pack sizes: 1g, 5g, 25g, 100g.