mifepristone and its Impurities
Mifepristone followed by a prostaglandin analog is used for medical abortion. It is also effective in the second trimester of pregnancy. Reference standards of Mifepristone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
3,3-(Ethylenedioxy)-5α-hydroxy-11β-[p-(methylamino)phenyl]-17β-hydroxy-17-(1-propynyl)estra-9-en
3,3-(Ethylenedioxy)-5α-hydroxy-11β-[p-(methylamino)phenyl]-17β-hydroxy-17-(1-propynyl)estra-9-en
Catalogue No.:PA 40 0171000
CAS :
104004-98-0
Molecular Formula : C30H39NO4
Molecular Weight : 477.65
(8S,13S,14S,17S)-17-Hydroxy-13-methyl-17-(prop-1-yn-1-yl)-4,6,7,8,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
(8S,13S,14S,17S)-17-Hydroxy-13-methyl-17-(prop-1-yn-1-yl)-4,6,7,8,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
Catalogue No.:PA 40 0171003
CAS :
10109-53-2
Molecular Formula : C21H26O2
Molecular Weight : 310.44
(5α,11β)-11-[4-(Dimethylamino)phenyl]-5-hydroxy-estr-9-ene-3,17-dione Cyclic 3-(1,2-Ethanediyl Acetal)
(5α,11β)-11-[4-(Dimethylamino)phenyl]-5-hydroxy-estr-9-ene-3,17-dione Cyclic 3-(1,2-Ethanediyl Acetal)
Catalogue No.:PA 40 0171004
CAS :
91934-77-9
Molecular Formula : C28H37NO4
Molecular Weight : 451.61
