Description_x000D_ Application_x000D_ Potassium 4-nitrophenyl sulfate has been used:_x000D_ • as a substrate to measure arylsulfatase activity in cell-free coelomic fluid_x000D_ • as a substrate for p-nitrophenyl glycoside-based enzyme assay_x000D_ • to inhibit arylsulfatase_x000D_ • as an inorganic analog of organic aryl ester sulphate_x000D_ Packaging_x000D_ 1, 5 g in poly bottle_x000D_ 500 mg in poly bottle_x000D_ Substrates_x000D_ Chromogenic sulfatase substrate.