CAS 316-69-8 appears in our catalog under these names: 4-Fluoronaphthalene-1-sulfonyl chloride, 97%, 4-Fluoro-naphthalene-1-sulfonyl chloride, 97%. Offered by: Combi-blocks, Ambeed, BLDpharm, Fluorochem. Available pack sizes: 250mg, 5g, 10g, 1g, 25g.