Melengestrol

美仑孕酮

Also known as: (8R,9S,10R,13S,14S,17R)-17-acetyl-17-hydroxy-6,10,13-trimethyl-16-methylidene-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one, 17-Hydroxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione, Melengestrolum, Melengestrolo, Melengestrel, UNII-BX98J4T6JU, (17R)-17-acetyl-17-hydroxy-6,10,13-trimethyl-16-methylidene-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one, (17R)-17-acetyl-17-hydroxy-6,10,13-trimethyl-16-methylene-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one, (17R)-17-ethanoyl-17-hydroxy-6,10,13-trimethyl-16-methylidene-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one

Melengestrol (CAS 5633-18-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C23H30O3 and a molecular weight of 354.48300 g/mol. It is also known as (8R,9S,10R,13S,14S,17R)-17-acetyl-17-hydroxy-6,10,13-trimethyl-16-methylidene-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one, 17-Hydroxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione and Melengestrolum. Key properties include a boiling point of 512.371ºC at 760 mmHg, a density of 1.155g/cm3 and a flash point of 277.759ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5633-18-1

Jingsj CID

J-1336656-0

Molecular Formula

C₂₃H₃₀O₃

Chinese Name

美仑孕酮

Molecular Weight

354.48300 g/mol

Category

Ketones

Last updated

8/21/2026