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MilliporeSigma

69585

Sigma-Aldrich

4-Methylumbelliferyl N-acetyl-β-D-glucosaminide

fluorogenic, ≥99.0% (TLC), powder, suitable for fluorescence

Sinónimos:

4-Methylumbelliferyl-2-acetamido-2-deoxy-β-D-glucopyranoside

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About This Item

Fórmula empírica (notación de Hill):
C18H21NO8
Número de CAS:
Peso molecular:
379.36
Beilstein/REAXYS Number:
1693397
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.32

product name

4-Methylumbelliferyl N-acetyl-β-D-glucosaminide, suitable for fluorescence, ≥99.0% (TLC)

Quality Level

assay

≥99.0% (TLC)

form

powder

impurities

≤0.1% free 4-methylumbelliferone

solubility

DMF: 20 mg/mL, clear, colorless

fluorescence

λex 317 nm (pH 10.0)
λex 365 nm; λem 445 nm in aqueous buffer pH 5.0 (after cleavage by β-N-acetylglucosaminidase)

suitability

suitable for fluorescence

storage temp.

−20°C

SMILES string

[H]O[H].[H]O[H].CC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1Oc2ccc3C(C)=CC(=O)Oc3c2

InChI

1S/C18H21NO8.2H2O/c1-8-5-14(22)26-12-6-10(3-4-11(8)12)25-18-15(19-9(2)21)17(24)16(23)13(7-20)27-18;;/h3-6,13,15-18,20,23-24H,7H2,1-2H3,(H,19,21);2*1H2/t13-,15-,16-,17-,18-;;/m1../s1

InChI key

PAVCYMSNMRWMAK-DMYIEBNJSA-N

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Application

4-Methylumbelliferyl N-acetyl-β-D-glucosaminide has been used as a fluorogenic substrate in the acidic chitinase activity assay. It has also been used to measure the total activity of β-N-acetylhexosaminidase (NAGase) in water sample filtrates.

Biochem/physiol Actions

4-Methylumbelliferyl-N-acetyl-β-D-glucosaminide (4-MUF-NAG) is a synthetic uncharged fluorogenic substrate for hexosaminidases. It consists of chitin monomer (N-acetyl-β-D-glucosaminide) and 4-methylumbelliferone (7-hydroxy-4-methylcoumarin) (4-MUF). 4-MUF-NAG is used for the detection and estimation of fungal growth by measuring the β-N-acetylhexosaminidase (NAGase) activity.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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R M Clegg et al.
Biochemistry, 22(20), 4797-4804 (1983-09-27)
Temperature-jump relaxation methods have been used to study the binding kinetics of fluorescent 4-methylumbelliferyl glycosides of N-acetyl-beta-D-glucosamine and its beta (1 leads to 4)-linked di- and trisaccharides with wheat germ agglutinin. The mono- and disaccharide derivatives yielded biexponential progress curves.
C Emiliani et al.
The International journal of biochemistry, 23(2), 215-219 (1991-01-01)
1. Rat liver beta-N-acetylhexosaminidase was separated into several different molecular forms by DEAE-cellulose chromatography. 2. The subunit composition of the isoenzymes, as well as the similarities to human hexosaminidases, were determined by using the specific active alpha subunit substrate 4-methylumbelliferyl-beta-N-acetylglucosamine-6-sulphate.
C T Yuen et al.
Annals of clinical biochemistry, 21 ( Pt 4), 295-300 (1984-07-01)
This paper describes a comparison of the recently developed substrate 2-methoxy-4-(2'-nitrovinyl)-phenyl-2-acetamido-2-deoxy-beta-D-gluc opyranoside (MNP-GlcNAc) and the corresponding 4-methylumbelliferyl substrate (4-MU-GlcNAc) for the determination of urinary NAG. A good correlation (r = 0.977) was found between NAG activities in 366 urine samples
Nick Konkol et al.
Journal of microbiological methods, 80(2), 178-182 (2009-12-23)
A wide variety of cultural heritage materials are susceptible to fungal deterioration. The paper, canvas, and stone constituents of our cultural heritage are subjected to harmful physical and chemical processes as they are slowly consumed by fungi. Remediation of fungal
W He et al.
Prenatal diagnosis, 14(1), 17-22 (1994-01-01)
A new fluorogenic substrate, 4-methylumbelliferyl beta-D-glucosaminide, was used for the assay of acetyl CoA:glucosaminide N-acetyltransferase in chorionic villi, cultured villus cells, and amniocytes. Optimal conditions for the assay and the ranges of enzyme activity were established for the various types

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