Skip to Content
Merck
All Photos(4)

Key Documents

View All Documentation

N7251

Sigma-Aldrich

4-Nitrocatechol sulfate dipotassium salt

crystalline

Synonym(s):

2-Hydroxy-5-nitrophenyl sulfate, 2-Hydroxy-5-nitrophenyl sulfate dipotassium salt monohydrate, p-Nitrocatechol sulfate dipotassium salt

Sign Into View Organizational & Contract Pricing
All Photos(4)

About This Item

Linear Formula:
C6H3NO7SK2
CAS Number:
14528-64-4
Molecular Weight:
311.35
Beilstein:
3805018
EC Number:
238-550-0
MDL number:
MFCD00007465
UNSPSC Code:
12352200
PubChem Substance ID:
24897816
NACRES:
NA.77

form

crystalline

color

yellow

storage temp.

−20°C

SMILES string

[K+].[K+].[O-]c1ccc(cc1OS([O-])(=O)=O)[N+]([O-])=O

InChI

1S/C6H5NO7S.2K/c8-5-2-1-4(7(9)10)3-6(5)14-15(11,12)13;;/h1-3,8H,(H,11,12,13);;/q;2*+1/p-2

InChI key

CKWWBDCAYRJAJB-UHFFFAOYSA-L

General description

4-Nitrocatechol sulfate is an aromatic sulfate.

Application

4-Nitrocatechol sulfate dipotassium salt has been used as a substrate in mucopolysaccharidoses VI (MPS VI) analysis. It has also been used to measure the activity of glycosaminoglycan (GAG)-degrading enzymes-arylsulfatase B, and exoglycosidases.

Substrates

Chromogenic sulfatase substrate.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

M Recksiek et al.
The Journal of biological chemistry, 273(11), 6096-6103 (1998-04-16)
Sulfatases contain an active site formylglycine residue that is generated by post-translational modification. Crystal structures of two lysosomal sulfatases revealed significant similarity to the catalytic site of alkaline phosphatase containing a serine at the position of formylglycine. To elucidate the
C O'Fagain et al.
The Biochemical journal, 201(2), 345-352 (1982-02-01)
A simple model is described to account for the anomalous time course of arylsulphatase A. In the case of the ox liver and human placental enzymes the enzyme-nitrocatechol sulphate complex can, in addition to forming products, slowly break down to
Mazdak Khajehpour et al.
Biochemistry, 46(14), 4370-4378 (2007-03-14)
The Yersinia protein tyrosine phosphatase (YopH) contains a loop of ten amino acids (the WPD loop) that covers the entrance of the active site of the enzyme during substrate binding. In this work the substrate mimicking competitive inhibitor p-nitrocatechol sulfate
P L Chang et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 32(6), 617-624 (1984-06-01)
A staining reaction was developed to specifically detect arylsulfatase A activity in the presence of arylsulfatases B and C. Nitrocatechol, generated by all arylsulfatases from the substrate p-nitrocatechol sulfate, can be coupled to produce Hatchett 's brown which reacts with
Ilhem Barboura et al.
Diagnostic pathology, 7, 11-11 (2012-01-31)
Metachromatic leukodystrophy (MLD) is a recessive autosomal disease which is characterized by an accumulation of sulfatides in the central and peripheral nervous system. It is due to the enzyme deficiency of the sulfatide sulfatase i.e. arylsulfatase A (ASA). we studied
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service