Product Name:p-Nitrobenzenesulfonyl chloride CAS NO.:98-74-8 Structural formula: Molecular formula:C6H4ClNO4S Molecular weight:221.61 Appearance: Yellowish crystalline powder Melting point: 75.0~79.0℃ Assay(HPLC): ≥99.0% Packing: 25kg/drum