CAS Registry Number

CAS 7411-49-6 — 3,3'-Diaminobenzidine tetrahydrochloride

3,3'-Diaminobenzidine tetrahydrochloride is a highly sensitive chemical reagent primarily used in biochemical assays, including DNA sequencing, protein detection, and histochemical staining due to its strong chromogenic properties. It forms colored azo dyes upon oxidation, making it essential in analytical and diagnostic applications. This compound has a CAS number of 7411-49-6, with the molecular formula (NH2)2C6H3C6H3(NH2)2 · 4HCl and a molecular weight of 360.11 g/mol (anhydrous). It must be stored at -15 to -20°C and is classified with the signal word "Danger" due to its hazardous nature. Molekula supplies 3,3'-Diaminobenzidine tetrahydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.