3,3'-Diaminobenzidine tetrahydrochloride

• CAT Number: I047234
• CAS Number: 868272-85-9
• Molecular Formula: C12H14N4.4ClH.H2O
• Molecular Weight: 378.1254
• Purity: ≥95%
• Storage: 3 years -20°C powder
• SMILES: O.Cl.Cl.Cl.Cl.NC1=C(N)C=C(C=C1)C2=CC(=C(N)C=C2)N

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.

Reference

[1] Ayuso-Jimeno IP, et al. Sci Rep. 2022 Jun 17;12(1):10213.