CAS 101366-51-2 appears in our catalog under these names: 4'-Methylbiphenyl-4-sulfonyl chloride, 95%, 4'-Methylbiphenyl-4-sulfonyl chloride, 97%, 4'-Methyl[1,1'-biphenyl]-4-sulfonyl chloride, 97% , 4-(4-METHYLPHENYL)BENZENESULFONYL CHLORIDE, ≥95%, 4'-methylbiphenyl-4-sulfonyl chloride,. Offered by: Combi-blocks, Thermo Scientific (Acros), Thermo Scientific, Fluorochem, Sigma-Aldrich. Available pack sizes: 1g, 5g, 250MG.