PEROXIDASE, HORSERADISH, RZ 1.0 Grade:REAGENT GRADE CAS Number: 9003-99-0Synonym(s): Horseradish peroxidase, HRP Molecular Weight: N/AMolecular Formula: N/A Storage Condition: FROZEN CodeSizePriceQuantity 0417-25,000U 0417-100,000U HRP catalyzes the decomposition of hydrogen peroxide in solution causing the oxidation of a number of substrates. Used extensively as a label for immunohistological assays and ELISA. Its exceptional stability in powdered and solution form enhances its desirability as an enzyme conjugate.