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69585

Sigma-Aldrich

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

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

Synonym(s):

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

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250 MG
$348.00
1 G
$1,084.60

$348.00

Available to ship onApril 29, 2025Details

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250 MG
$348.00
1 G
$1,084.60

About This Item

Empirical Formula (Hill Notation):
C18H21NO8
CAS Number:
37067-30-4
Molecular Weight:
379.36
Beilstein/REAXYS Number:
1693397
EC Number:
253-333-0
MDL number:
MFCD00150977
UNSPSC Code:
12352204
PubChem Substance ID:
57652199
NACRES:
NA.32

$348.00

Available to ship onApril 29, 2025Details

Product Name

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

Quality Level

100

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.[1] It has also been used to measure the total activity of β-N-acetylhexosaminidase (NAGase) in water sample filtrates.[2]

Biochem/physiol Actions

4-Methylumbelliferyl-N-acetyl-β-D-glucosaminide (4-MUF-NAG) is a synthetic uncharged fluorogenic substrate for hexosaminidases.[3] 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.[4]

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research
Assay of β-N-acetylhexosaminidase.

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCJ9711
BCCH6626
BCCJ3278
BCCJ5304
BCCJ5309

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Ingunn A Hoell et al.
Biochimica et biophysica acta, 1748(2), 180-190 (2005-03-17)
We describe the overexpression and characterization of a new 30 kDa family 18 chitinase (Ech30) from Trichoderma atroviride strain P1. Sequence alignments indicate that the active site architecture of Ech30 resembles that of endochitinases such as hevamine from the rubber
M G Ribeiro et al.
Journal of inherited metabolic disease, 14(5), 715-720 (1991-01-01)
GM2-gangliosidosis B1 variant is thought to be a rare disorder with a wide geographical and ethnic distribution. We report the biochemical findings obtained in different specimens from a group of 11 B1 variant patients originating from the north of Portugal.
N N Dewji et al.
The Biochemical journal, 234(1), 157-162 (1986-02-15)
beta-N-Acetylhexosaminidase I2 was purified from human liver by a combination of concanavalin A chromatography, DEAE-cellulose chromatography, gel filtration and affinity chromatography on 2-acetamido-N-(6-aminohexanoyl)-2-deoxy-beta-D-glucopyranosylamine coupled to CNBr-activated Sepharose 4B. Its specific activity was 130 mumol/min per mg of protein compared with
E C Landels et al.
Journal of medical genetics, 28(2), 101-109 (1991-02-01)
An assay for measuring hexosaminidase A in serum and leucocytes is described in which a centrifugal analyser is used for automation of the enzyme assays after manual heat inactivation. The assay was used in a screening programme to identify heterozygotes
K S Chen et al.
Electrophoresis, 15(5), 662-665 (1994-05-01)
A method for the detection of N-acetylglucosaminidase (GlcNAcase) activity has been developed by using 4-methyl-umbelliferyl-N-acetyl-D-glucosaminide (4-MU-GlcNAc) as substrate in crossed immunoelectrophoresis (CIE) and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) gels. Visualization of the reaction with a 366 nm ultra-violet light
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