13b-ethyl-11-methylenegon-4-en-17-one

13-乙基-11-亚甲基-4-雌烯-17-酮

Also known as: 13-ethyl-11-methylenegon-4-en-17-one, 13b-ethyl-11-methylenegon-4-en-17-one, 13beta-ethyl-11-methylenegon-4-en-17-one, 11-methylene-13-ethyl-gon-4-ene-17-one, 11-methylene-18a-homo-estr-4-en-17-one, 18-methyl-11-methylene-4-estren-17-one, Desogestrel EP Impurity C, Desogestrel Impurity 3, Desogestrel Intermediate, (8S,9S,10R,14S)-13-ethyl-11-methylene-2,3,7,8,9,10,11,12,13,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17(6H)-one

13b-ethyl-11-methylenegon-4-en-17-one (CAS 54024-21-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H28O and a molecular weight of 284.436 g/mol. It is also known as 13-ethyl-11-methylenegon-4-en-17-one, 13beta-ethyl-11-methylenegon-4-en-17-one and 11-methylene-13-ethyl-gon-4-ene-17-one. Key properties include a melting point of 99-101ºC, a boiling point of 412.5±44.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 177.9±23.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

54024-21-4

Jingsj CID

J-866881-7

Molecular Formula

C₂₀H₂₈O

Chinese Name

13-乙基-11-亚甲基-4-雌烯-17-酮

Molecular Weight

284.436 g/mol

Category

Ketones

Last updated

8/21/2026