CAS 163894-16-4 appears in our catalog under these names: Sulfonyl chloride， polymer–bound, Sulfonyl Chloride Polystyrene Resin cross–linked with 1% DVB, Polystyrene-SO2Cl, Sulfonyl Chloride Polystyrene Resin, SULFONYL CHLORIDE, POLYMER-BOUND. Offered by: GLPBio, Iris Biotech, Biosynth, Sigma-Aldrich, Chemat. Available pack sizes: 1g, 5g, 25g, 10g, 50g, 100g.