3,3′,5,5′-Tetramethylbenzidin

3,3′,5,5′-Tetramethylbenzidin, ≥99%

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

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

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

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

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