7-hydroxy Coumarin sulfate is a phase II metabolite of coumarin that can be used as an internal standard for the analysis of 7-hydroxy coumarin metabolism using GC- or LC-MS.

1135316-80-1

C9H6KO6S

281.3

7-hydroxy Coumarin sulfate (potassium salt)

H2O:Slightly soluble
Powder: -20°C for 3 years
In solvent: -80°C for 2 years