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Merck

N7653

Sigma-Aldrich

p-Nitrophenyl Phosphate Liquid Substrate System

alkaline phosphatase substrate, liquid

Sinónimos:

4-Nitrophenyl phosphate disodium salt solution, pNPP

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About This Item

Fórmula lineal:
O2NC6H4OP(O)(ONa)2
Número de CAS:
Peso molecular:
263.05
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.83

product name

p-Nitrophenyl Phosphate Liquid Substrate System, liquid

form

liquid

shipped in

wet ice

storage temp.

−20°C

SMILES string

[Na+].[Na+].[O-][N+](=O)c1ccc(OP([O-])([O-])=O)cc1

InChI

1S/C6H6NO6P.2Na/c8-7(9)5-1-3-6(4-2-5)13-14(10,11)12;;/h1-4H,(H2,10,11,12);;/q;2*+1/p-2

InChI key

VIYFPAMJCJLZKD-UHFFFAOYSA-L

General description

The p-Nitrophenyl Phosphate (pNPP) Liquid Substrate System combines p-nitrophenyl phosphate, buffer, and the required magnesium cations in a convenient, ready-to-use, single solution reagent. Producing a soluble end product, pNPP is the substrate of choice in alkaline phosphatase enzyme immunoassays.

Application

p-Nitrophenyl Phosphate Liquid Substrate System has been used as a substrate to determine the activity of alkaline phosphatase in alkaline phosphatase assay.
Substrate for alkaline phosphatase that yields a soluble yellow end product that may be read at 405 nm. The reaction may be stopped with 3N NaOH and read at 405 nm. Recommended for ELISA (microwell) procedures, not recommended for membrane applications.

Biochem/physiol Actions

4-Nitrophenyl phosphate disodium salt hexahydrate (pNPP) is a non-proteinaceous and non-specific substrate for determining protein tyrosine phosphatase activity. Hydrolysis of pNPP produces p-nitrophenol. It is a common chromogenic substrate for alkaline phosphatase.

Caution

Stable at least one year when stored below 0 °C.

Physical form

Ready-to-use.

pictograms

Health hazardCorrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 Oral

target_organs

Kidney,Liver,Blood

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

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Artículos

Review a high-throughput ELISA-based method to identify peptide substrates for class-specific and/or enzyme-specific Protein Tyrosine Kinases (PTKs) that can be utilized for the detection of kinase activity both in vivo and in vitro.

Nitroblue Tetrazolium (NBT) is used with the alkaline phosphatase substrate 5-Bromo- 4-Chloro-3-Indolyl Phosphate (BCIP) in western blotting and immunohistological staining procedures. These substrate systems produce an insoluble NBT diformazan end product that is blue to purple in color and can be observed visually.

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