N-Desmethyl ulipristal acetate

N-去甲基乌利司他乙酸酯

Also known as: (8S,11R,13S,14S,17R)-17-acetyl-13-methyl-11-[4-(methylamino)phenyl]-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl acetate, (11β)-11-[4-(Methylamino)phenyl]-3,20-dioxo-19-norpregna-4,9-dien-17-yl acetate, 17α-Acetoxy-11β-[4-(N-methylamino)phenyl]-19-norpregna-4,9-diene-3,20-dione, Estra-4,9-dien-3-one, 17-acetyl-17-(acetyloxy)-11-[4-(methylamino)phenyl]-, (11β,17α)-, Ulipristal acetate InterMediate, Ulipristal Impurity 4, Ulipristal-002

N-Desmethyl ulipristal acetate (CAS 159681-66-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C29H35NO4 and a molecular weight of 461.592 g/mol. It is also known as (8S,11R,13S,14S,17R)-17-acetyl-13-methyl-11-[4-(methylamino)phenyl]-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl acetate, (11β)-11-[4-(Methylamino)phenyl]-3,20-dioxo-19-norpregna-4,9-dien-17-yl acetate and 17α-Acetoxy-11β-[4-(N-methylamino)phenyl]-19-norpregna-4,9-diene-3,20-dione. Key properties include a boiling point of 639.5±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 340.6±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

159681-66-0

Jingsj CID

J-1527942-0

Molecular Formula

C₂₉H₃₅NO₄

Chinese Name

N-去甲基乌利司他乙酸酯

Molecular Weight

461.592 g/mol

Category

Organic Acids

Last updated

8/21/2026