WST-3

*This product has been discontinued!*

Monotetrazolium salt which forms a water-soluble (>0.1 M) formazan upon reduction. Suitable for detection of dehydrogenases.

Monotetrazolium salt which forms a water-soluble (>0.1 M) formazan upon reduction. Suitable for detection of dehydrogenases.

4-[3-(4-Idophenyl)-2-(2,4-dinitrophenyl)-2H-5-tetrazolio]-1,3-benzene disulfonate

Cas No	161617-45-4
Appearance	Pale yellowish brown or pale brown powder
Color	Pale yellowish brown or pale b
Formazan	433 nm
Molar abso	min.36,000 (234 nm);40,000 (formazan)
Molecular Formula	C₁₉H_10IN₆O_10S2Na
Molecular Weight	696.35
Sensitivity	pass test
Solubility	100 mg/10 ml water
Tlc analysis	Pass test
Storage	0-5 ºC

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