formazan

for·ma·zan

(fōr'mă-zan),

A water-insoluble colored compound of the general structure, RNH-N=CR'-N=NR", formed by reduction of a tetrazolium salt in the histochemical demonstration of oxidative enzymes; the R's are usually phenyl groups; examples include neotetrazolium, blue tetrazolium, and nitro blue tetrazolium.

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Mentioned in

NBT test
nitroblue tetrazolium
nitroblue tetrazolium test
tetrazolium

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