4-Methylumbelliferyl β-D-galactoside

Names

[ Name ]:
4-Methylumbelliferyl β-D-galactoside

[Synonym ]:
2H-1-Benzopyran-2-one, 7-(β-D-galactopyranosyloxy)-4-methyl-
4-Methylumbelliferyl β-D-galactoside
4-Methyl-2-oxo-2H-chromen-7-yl β-D-galactopyranoside
EINECS 228-185-5
4-methyl-7-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-2-one
MFCD00036773

Biological Activity

[Description]:

4-Methylumbelliferyl β-D-galactopyranoside is a fluorescent substrate for β-galactosidase which, when cleaved, produces a water-soluble blue fluorescent coumarin fluorophore that can be detected using a fluoroenzymeter or fluorometer[1].

[Related Catalog]:

Research Areas >> Others

Signaling Pathways >> Others >> Others

[References]

[1]. Berg JD, et al. Rapid detection of total and fecal coliforms in water by enzymatic hydrolysis of 4-methylumbelliferone-beta-D-galactoside. Appl Environ Microbiol. 1988 Aug;54(8):2118-22.

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
626.9±55.0 °C at 760 mmHg

[ Melting Point ]:
258-263ºC (dec.)

[ Molecular Formula ]:
C₁₆H₁₈O₈

[ Molecular Weight ]:
338.309

[ Flash Point ]:
233.9±25.0 °C

[ Exact Mass ]:
338.100159

[ PSA ]:
129.59000

[ LogP ]:
-0.46

[ Vapour Pressure ]:
0.0±1.9 mmHg at 25°C

[ Index of Refraction ]:
1.641

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R26/27/28

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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