3,3,20,20-Bis(ethylenedioxy)-5α,17α-dihydroxy-11β-[4-(dimethylamino)phenyl]-19-norpregn-9-ene

3,3,20,20-双(亚乙二氧基)-5α,17α-二羟基-11β-[4-(二甲氨基)苯基]-19-去甲孕甾-9-烯

Also known as: (5α,11β)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal), (5R,8S,11R,13S,14S,17R)-11-[4-(Dimethylamino)phenyl]-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-5,17(4H)-diol, 3,20-Bis(ethylenedioxy)-5α,17α-dihydroxy-11β-(4-dimethylaminophenyl)-19-norpregn-9-ene, Ulipristal acetate intermediate N-2, Ulipristal acetate intermediate III

3,3,20,20-Bis(ethylenedioxy)-5α,17α-dihydroxy-11β-[4-(dimethylamino)phenyl]-19-norpregn-9-ene (CAS 126690-41-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C32H45NO6 and a molecular weight of 539.703 g/mol. It is also known as (5α,11β)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal), (5R,8S,11R,13S,14S,17R)-11-[4-(Dimethylamino)phenyl]-13-methyl-17-(2-methyl-1,3-dioxolan-2-yl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-5,17(4H)-diol and 3,20-Bis(ethylenedioxy)-5α,17α-dihydroxy-11β-(4-dimethylaminophenyl)-19-norpregn-9-ene. Key properties include a boiling point of 697.0±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 375.3±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

126690-41-3

Jingsj CID

J-1169031-1

Molecular Formula

C₃₂H₄₅NO₆

Chinese Name

3,3,20,20-双(亚乙二氧基)-5α,17α-二羟基-11β-[4-(二甲氨基)苯基]-19-去甲孕甾-9-烯

Molecular Weight

539.703 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026