19-hydroxy Cholesterol is formed during metabolic oxidation of cholesterol. It has been used as an internal standard for the quantitative determination of sterols by mass spectroscopic analysis.[1]

561-63-7

C27H46O2

402.65

19-hydroxy Cholesterol

Ethanol:20 mg/mL
DMF:2 mg/mL
Ethanol:PBS (pH 7.2)(1:2):0.3 mg/mL
DMSO:0.1 mg/mL
Powder: -20°C for 3 years
In solvent: -80°C for 2 years