Ulipristal acetate

醋酸乌利司他

Also known as: (11β)-17-(Acetyloxy)-11-[4-(dimethylamino)phenyl]-19-norpregna-4,9-diene-3,20-dione, (11b)-17-(Acetyloxy)-11-[4-(dimethylamino)phenyl]-19-norpregna-4,9-diene-3,20-dione, 17α-Acetoxy-11β-(4-dimethylaminophenyl)-19-norpregna-4,9-dien-3,20-dione, CBD 2914, CDB-2914, Ella, HRP 2000, Ulipristal, Ulipristal (acetate), Ulipristal acetate, VA 2914, [(8S,11R,13S,14S,17R)-17-acetyl-11-[4-(dimethylamino)phenyl]-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate

Ulipristal acetate (CAS 126784-99-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C30H37NO4 and a molecular weight of 475.619 g/mol. It is also known as (11β)-17-(Acetyloxy)-11-[4-(dimethylamino)phenyl]-19-norpregna-4,9-diene-3,20-dione, (11b)-17-(Acetyloxy)-11-[4-(dimethylamino)phenyl]-19-norpregna-4,9-diene-3,20-dione and 17α-Acetoxy-11β-(4-dimethylaminophenyl)-19-norpregna-4,9-dien-3,20-dione. Key properties include a melting point of 183-185ºC, a boiling point of 640.1±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 340.9±31.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

126784-99-4

Jingsj CID

J-1960036-5

Molecular Formula

C₃₀H₃₇NO₄

Chinese Name

醋酸乌利司他

Molecular Weight

475.619 g/mol

Category

Organic Acids

Last updated

8/21/2026