Nitroblue Tetrazolium

Synonyms

2H-Tetrazolium, 3,3'-(3,3'-dimethoxy(1,1'-biphenyl))-4,4'-diyl bis(2-(4-nitrophenyl))-5-phenyl-, dichloride

Blue, Nitrotetrazolium

Nitro-BT

Nitroblue, Tetrazolium

Nitrotetrazolium Blue

Tetrazolium Nitroblue

Tetrazolium, Nitroblue

Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease.