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Key Documents

N3877

Sigma-Aldrich

Potassium 4-nitrophenyl sulfate

sulfatase substrate, chromogenic, ≥98% (TLC), powder

Synonym(s):

4-Nitrophenyl sulfate potassium salt

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About This Item

Linear Formula:
NO2C6H4OSO2OK
CAS Number:
Molecular Weight:
257.26
Beilstein:
3786392
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.32

product name

Potassium 4-nitrophenyl sulfate, sulfatase substrate

Quality Level

Assay

≥98% (TLC)

form

powder

mp

246-250 °C (lit.)

solubility

water: 50 mg/mL, clear, colorless to very faintly greenish-yellow (to Very Light Yellow)

shipped in

wet ice

storage temp.

−20°C

SMILES string

[K+].[O-][N+](=O)c1ccc(OS([O-])(=O)=O)cc1

InChI

1S/C6H5NO6S.K/c8-7(9)5-1-3-6(4-2-5)13-14(10,11)12;/h1-4H,(H,10,11,12);/q;+1/p-1

InChI key

BITVAZYUWRLLCN-UHFFFAOYSA-M

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Application

Potassium 4-nitrophenyl sulfate has been used:
  • as a substrate to measure arylsulfatase activity in cell-free coelomic fluid
  • as a substrate for p-nitrophenyl glycoside-based enzyme assay
  • to inhibit arylsulfatase
  • as an inorganic analog of organic aryl ester sulphate

Substrates

Chromogenic sulfatase substrate.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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