3,3′,5,5′-Tetramethylbenzidine

3,3′,5,5′-Tetramethylbenzidine, ≥99%

3,3′,5,5′-Tetramethylbenzidine, ≥98% (TLC)

3,3′,5,5′-Tetramethylbenzidine, ≥98.0% (NT)

3,3′,5,5′-Tetramethylbenzidine, GR for analysis

3,3′,5,5′-Tetramethylbenzidine, tablet, 1 mg substrate per tablet

3,3′,5,5′-Tetramethylbenzidine, standard for GC