CAS 29171-71-9 appears in our catalog under these names: 4-(Diethylsulfamoyl)benzoyl chloride 95%, 4-(Diethylsulfamoyl)benzoyl chloride, 95%, 95%, 4-(DIETHYLSULFAMOYL)BENZOYL CHLORIDE, 95%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g.