Quick Details CAS No.: 1623-93-4 Other Names: 4-Biphenylsulfonyl chloride MF: C12H9ClO2S EINECS No.: 1623-93-4 Place of Origin: Henan, China Type: Pharmaceutical Intermediates Purity: 99% Application: API Appearance: White solid Product name: 4-Biphenylsulfonyl chloride Synonyms: 4-Biphenylsulfonyl chloride CAS No.: 1623-93-4 Molecular formula: C12H9ClO2S Molecular weight: 252.72 EINECS No.: 216-609-1 Structural formula: ITEM SPECIFICATION RESULTS Appearance White solid White solid Assay 97%≥99.0% 98.5% 4,4-biphenyldiphenylsulfone ≤0.2% 0.02% Free Acid ≤0.25% 0.23% Unknown impurities(each) ≤0.25% 0.23% Heavy metal 0.001 0.001 4- biphenyl -benzenesulfonic acid ≤0.25% 0.25% phenothiol 0.0001 0.0001 Conclusion 4-Biphenylsulfonyl chloride CAS No.: 1623-93-4 Molecular formula: C12H9ClO2S Molecular weight: 252.72 EINECS No.: 216-609-1 Structural formula: ITEM SPECIFICATION RESULTS Appearance White solid White solid Assay 97%≥99.0% 98.5% 4,4-biphenyldiphenylsulfone ≤0.2% 0.02% Free Acid ≤0.25% 0.23% Unknown impurities(each) ≤0.25% 0.23% Heavy metal 0.001 0.001 4- biphenyl -benzenesulfonic acid ≤0.25% 0.25% phenothiol 0.0001 0.0001 Conclusion