CAS Registry Number

CAS 207738-08-7 — 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate

3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate is an organic compound primarily used as a chromogenic substrate in biochemical assays, particularly in ELISA and Western blotting for detecting peroxidase activity. It reacts with hydrogen peroxide to produce a blue precipitate, enabling sensitive detection of target proteins. CAS number 207738-08-7, molecular formula C16H20N2·2HCl·xH2O, molecular weight 313.27. Store between 2–8°C. Signal word: Warning. Molekula supplies 3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.