Inhibitor of protein tyrosine phosphatase and alkaline phosphate Sodium orthovanadate is used in protein analysis in molecular biology and acts as an inhibitor of protein tyrosine phosphatases, alkaline phosphatases and kinases. It is also used to prepare the stop solution in dephosphorylation assay of insulin receptor kinase. It serves as a reagent in the development of matrix Chip that utilizes surface-immobilized antibodies. Further, it is utilized for the preservation of protein tyrosyl phosphorylation state in cells and cell lysates.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.