| 36746 | 3,3,5,5-Tetramethyl Benzidine Dihydrochloride Hydrate (TMB.2HCl.xH2O) extrapurified | 5 Gms | 461 € | Research sys | human |
| 69860 | 3,3,5,5-Tetramethyl Benzidine (TMB) extrapurified AR | 25 Gms | 580 € | Research sys | human |
| 84821 | 3,3,5,5-Tetramethyl Benzidine (TMB) purified | 1 Gms | 149 € | Research sys | human |
| REAZO027 | Azo Dye standard Benzidine 1000µg/ml in Purge & Trap Methanol | 1ml | 154 € | reageco | human |
| REAZO028 | Azo Dye standard Benzidine 2000µg/ml in Purge & Trap Methanol | 1ml | 185 € | reageco | human |
| 99986 | N,N,N,N-Tetramethyl Benzidine extrapurified AR | 1 Gms | 174 € | Research sys | human |