3,3'-Diaminobenzidine tetrahydrochloride (E2690-5mg)

3,3'-Diaminobenzidine tetrahydrochloride (DAB) is the most sensitive and commonly used substrate for horseradish peroxidase, which can visualize the color of cells or tissues bound by horseradish peroxidase during immunohistochemistry or in situ hybridization.