Description
17a-Hydroxypregnenolone-d3 (17-OHP5-d3) is the deuterium labeled 17a-Hydroxypregnenolone (HY-113263). 17a-Hydroxypregnenolone is a metabolite of Pregnenolone (HY-B0151) and a precursor in the biosynthesis of Dehydroepiandrosterone (HY-14650). 17a-Hydroxypregnenolone is a substrate for the enzyme 3β-hydroxysteroid dehydrogenase (3β-HSD)[1][2]