Date published: 2025-11-5

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p-Nitroblue tetrazolium chloride (CAS 298-83-9)

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Alternate Names:
NBT; Nitrotetrazolium Blue chloride
Application:
p-Nitroblue tetrazolium chloride is a competitive inhibitor of NOS
CAS Number:
298-83-9
Purity:
≥90%
Molecular Weight:
817.64
Molecular Formula:
C40H30N10O62Cl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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p-Nitroblue Tetrazolium Chloride is an NADPH-diaphorase substrate that competitively inhibits NOS (nitric oxide synthase) (IC50 = 3-4 muM). p-Nitroblue Tetrazolium Chloride is a well-known scavenger of superoxide anions and is useful as a substrate for alkaline phosphatase, often in conjunction with BCIP. It transforms from a colorless or light yellow solution to an insoluble deep blue formazan precipitate upon reduction. This characteristic makes p-Nitroblue Tetrazolium Chloride an ideal candidate for various biochemical assays, especially those aiming to detect and quantify redox reactions.


p-Nitroblue tetrazolium chloride (CAS 298-83-9) References

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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

p-Nitroblue tetrazolium chloride, 250 mg

sc-296003
250 mg
$89.00

p-Nitroblue tetrazolium chloride, 5 g

sc-296003A
5 g
$268.00