Home3,3',5,5'-Tetramethylbenzidine dihydrochloride hydrate3,3',5,5'-Tetramethylbenzidine dihydrochloride hydrate, Sigma-Aldrich®
: Merck
: Thermo Fisher Scientific
: Honeywell Chemicals
: CHEMPUR
: PanReac AppliChem
: VWR Chemicals
: POCH AVANTOR BRAND