CAS 6684-06-6 appears in our catalog under these names: 2-Chloropyridine-3-sulfonyl chloride, 97%, 2-Chloropyridine-3-sulfonyl chloride 98%, 2-Chloropyridine-3-sulfonyl chloride. Offered by: Combi-blocks, Ambeed, Fluorochem. Available pack sizes: 1g, 10g, 5g, 25g, 100g.