Peroxidase, horseradish is used in the oxidation of luminol to 3-aminophthalate. It is often used in conjugates to determine the presence of a molecular target, especially in the detection of specific protein in a western blot after conjugation with antibody. Further, it is highly reactive toward human tumor cells.

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.