Date published: 2026-2-16

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Naphthol AS-TR phosphate disodium salt (CAS 4264-93-1)

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Application:
Naphthol AS-TR phosphate disodium salt is a substrate for the histochemical demonstration of acid and alkaline phosphatase
CAS Number:
4264-93-1
Purity:
≥99%
Molecular Weight:
435.71
Molecular Formula:
C18H13ClNO5P•Na2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Naphthol AS-TR phosphate disodium salt is a chemical used predominantly as a histochemical reagent in various types of research. This compound is specifically employed as a substrate for alkaline phosphatase, an enzyme frequently studied in the field of enzymology and cellular biology. By reacting with alkaline phosphatase in tissue samples, Naphthol AS-TR phosphate disodium salt produces a colored precipitate, allowing for the visualization of enzyme activity within cells or tissue sections. The use of this compound is in the identification and localization of alkaline phosphatase activity, which is important for understanding various biological processes including bone mineralization, and cellular differentiation. Additionally, because of its chromogenic properties, Naphthol AS-TR phosphate disodium salt is utilized in assays that quantify enzyme activity, which contributes to research on enzyme kinetics and the regulation of enzymatic reactions within biological systems.


Naphthol AS-TR phosphate disodium salt (CAS 4264-93-1) References

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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Naphthol AS-TR phosphate disodium salt, 100 mg

sc-253179
100 mg
$73.00

Naphthol AS-TR phosphate disodium salt, 1 g

sc-253179A
1 g
$200.00

Naphthol AS-TR phosphate disodium salt, 5 g

sc-253179B
5 g
$659.00