Standards; Steroids; Isotopic Labeled Analogues; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
Labelled Δ4-Pregnen-20α-ol-3-one (P712215). Δ4-Pregnen-20α-ol-3-one is the main metabolite of Progesterone (P755900). Studies shows regulation of estrogen receptor levels in breast cancer by Δ4-Pregnen-20α-ol-3-one and other progesterone metabolites.