J 628 is a synthetic "impeded" estrogen analogue. It has some postcoital antifertility activity and estrogenicity in mice. References: Oettel M, Draffehn J, Koch M, Kurischko A, Ohme E, Strecke J, Tiroke I. Relationship between uterotrophic and interceptive activities of steroidal estrogens. Endokrinologie. 1978 Apr;72(1):25-35. PubMed PMID: 567577.

纯度：≥98%

CAS：65323-80-0