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Specifications

A highly sensitive tetrazolium reagent (light red) that produces a water-soluble formazan (dark red color) in NADH and cell proliferation assays due to cleavage by mitochondrial dehydrogenase.
Catalog #	022890
	WST-1 formazan l max = 438nm; e= 3.7 x 104
Form	Yellow to Brownish Yellow Solid
Melting Point	> 285°C (dec.)
Solubility	DMSO, 3 mg/ml in Water
CAS Number	150849-52-8
Molecular Formula	C19H11IN5NaO8S2
Molecular Weight	651.35
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
Alternate names	4-[3-(4-Iodophenyl)-2-(4-nitrophenyl)-2H-5-tetrazolio]-1,3-benzene Disulfonate