Date published: 2026-5-22

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D-Lactose (CAS 64044-51-5)

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Alternate Names:
4-O-beta-D-Galactopyranosyl-α-D-glucopyranose; Milk sugar
Application:
D-Lactose is a common disaccharide found in milk
CAS Number:
64044-51-5
Molecular Weight:
342.29
Molecular Formula:
C12H22O11
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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D-Lactose Hydrate is a disaccharide sugar that serves as a substrate for the enzyme lactase. It is used as a model compound to study the enzymatic hydrolysis of lactose. D-Lactose Hydrate′s function involves serving as a source of D-glucose and D-galactose upon hydrolysis by lactase. The mechanism of action of D-Lactose Hydrate involves its interaction with the active site of the lactase enzyme, leading to the cleavage of the glycosidic bond and the release of its constituent monosaccharides. D-Lactose Hydrate′s role in experimental applications is to provide a standardized substrate for studying the kinetics and mechanisms of lactase-catalyzed hydrolysis. D-Lactose Hydrate may be utilized in the development of analytical methods for quantifying lactase activity and in the investigation of lactose intolerance.


D-Lactose (CAS 64044-51-5) References

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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

D-Lactose, 1 kg

sc-285369
1 kg
$72.00

D-Lactose, 2 kg

sc-285369A
2 kg
$281.00