Date published: 2026-4-28

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4-Methylumbelliferyl β-D-lactopyranoside (CAS 84325-23-5)

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Alternate Names:
4-Methylumbelliferyl β-D-lactoside
CAS Number:
84325-23-5
Molecular Weight:
500.45
Molecular Formula:
C22H28O13
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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4-Methylumbelliferyl-β-D-lactopyranoside, also known as 4-Methylumbelliferyl-β-D-lactoside (4-MUL), is a colorless, crystalline solid soluble in both water and organic solvents. It′s a glycosidic derivative of D-glucose, a naturally occurring monosaccharide, and is frequently used as a substrate in research related to glycosidases. These enzymes catalyze the hydrolysis of glycosidic bonds, and 4-Methylumbelliferyl-β-D-lactopyranoside aids in understanding their function under various conditions and in the presence of different substances. Furthermore, it plays a role in exploring the structure-function relationship of glycosidases. Though the exact mechanism of action of 4-Methylumbelliferyl-β-D-lactopyranoside remains to be fully deciphered, it is thought to undergo hydrolysis by glycosidases in a two-stage process. Initially, 4-Methylumbelliferyl-β-D-lactopyranoside is converted to 4-methylumbelliferyl-alpha-D-glucoside (4-MUG) by a glycosidase. In the subsequent step, 4-MUG is further hydrolyzed to form 4-methylumbelliferone and D-glucose.


4-Methylumbelliferyl β-D-lactopyranoside (CAS 84325-23-5) References

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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-Methylumbelliferyl β-D-lactopyranoside, 25 mg

sc-220949
25 mg
$360.00

4-Methylumbelliferyl β-D-lactopyranoside, 100 mg

sc-220949A
100 mg
$1117.00