DAB-10g

-DAB Tetrahydrochloride, Reagent Grade

-3, 3’-Diaminobenzidine (DAB) is a colorimetric substrate commonly used for detecting horseradish peroxidase activity in membrane-bound and in situ applications. Its redbrown, insoluble end product is resistant to a alcohol and fading, making DAB especially useful for immunohisochemical assays. DAB is highly unstable in solution; therefore. Fresh substrate solutions are usually prepare prior to use