2-(2-甲氧基-4-硝基苯基)-3-(4-硝基苯基)-5-(2,4-二磺基苯基)-2H-四唑鎓,鈉鹽(10 mg)產(chǎn)品是A next generation tetrazolium reagent that serves as a sensitive chromogenic indicator for NADH. It is reduced by NADH at neutral pHs in the presence of 1-methoxy PMS to produce the corresponding formazan dye that absorbs at 460 nM. Useful in cell proliferation assays as a cell viability indicator.