WST-3 is a water-soluble tetrazolium dye.1 It is reduced by NADH in the presence of an electron mediator, such as 1-methoxy-5-methylphenazinium , to WST-3 formazan, which displays an absorption maxima of 433 nM.
1.Ishiyama, M., Sasamoto, K., Shiga, M., et al.Novel disulfonated tetrazolium salt that can be reduced to a water-soluble formazan and its application to the assay of lactate dehydrogenaseAnalyst120113-116(1995)
















