4-Methylumbelliferyl β-D-galactopyranoside

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].

Product Specifications

CAS Number

[6160-78-7]

UNSPSC

12171500

Hazard Statement

H317, H319

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/4-methylumbelliferyl-β-d-galactopyranoside.html

Purity

99.06

Solubility

DMSO : 41.67 mg/mL (ultrasonic; warming; heat to 60°C)

Smiles

O=C1C=C(C)C2=CC=C(O[C@H]3[C@@H]([C@H]([C@H]([C@@H](CO)O3)O)O)O)C=C2O1

Molecular Formula

C16H18O8

Molecular Weight

338.31

Precautions

H317, H319

References & Citations

[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.