5a-Pregnane-3,20-dione is the endogenous progesterone metabolite. References: Wiebe JP, et al. The endogenous progesterone metabolite, 5a-pregnane-3,20-dione, decreases cell-substrate attachment, adhesion plaques, vinculin expression, and polymerized F-actin in MCF-7 breast cancer cells. Endocrine. 2001 Oct;16(1):7-14.

纯度：≥98%

CAS：566-65-4