Date published: 2026-6-9

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7-Hydroxy Coumarin-d5 Sulfate Potassium Salt (CAS 1261392-49-7)

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Alternate Names:
7-Sulfooxy-2H-1-benzopyran-2-one-d5 Potassium Salt; Umbelliferone-d5 Sulfate Potassium Salt
CAS Number:
1261392-49-7
Molecular Weight:
285.33
Molecular Formula:
C9D5O6S•K
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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7-Hydroxy Coumarin-d5 Sulfate Potassium Salt is the labelled analogue of 7-Hydroxy Coumarin Sulfate Potassium Salt, which is a metabolite of 7-hydroxycoumarin. This compound combines the fluorescence properties of coumarins with the stable isotope labeling of deuterium. The introduction of deuterium atoms does not significantly alter the chemical behavior of the molecule compared to its non-deuterated counterpart, but it provides a distinctive mass that is beneficial for isotopic labeling studies. In biochemistry and cell biology, 7-Hydroxy Coumarin-d5 Sulfate Potassium Salt can be used as a fluorescent probe to study enzyme activities, particularly those involving sulfatase enzymes which may remove the sulfate group, releasing the fluorescent 7-Hydroxy Coumarin. This property allows for the real-time monitoring of enzyme kinetics and the identification of enzyme inhibitors.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

7-Hydroxy Coumarin-d5 Sulfate Potassium Salt, 2.5 mg

sc-490283
2.5 mg
$468.00