USAMP#72772857SKU: P8287-100TABSigma Chemical Company
Product Spotlight
10 mg substrate per tablet
o-Phenylenediamine dihydrochloride (OPD) is a chromogenic substrate that can be used in enzyme-linked immunosorbent assay (ELISA) procedures as it utilizes horseradish peroxidase conjugates
The substrate produces a soluble end product that is orange-brown and can be read spectrophotometrically at 450 nm
