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

Modify Date: 2024-01-02 15:47:50

13-ethyl-11-methylenegon-4-en-17-one Structure
13-ethyl-11-methylenegon-4-en-17-one structure
Common Name 13-ethyl-11-methylenegon-4-en-17-one
CAS Number 54024-21-4 Molecular Weight 284.436
Density 1.1±0.1 g/cm3 Boiling Point 412.5±44.0 °C at 760 mmHg
Molecular Formula C20H28O Melting Point 99-101ºC
MSDS N/A Flash Point 177.9±23.4 °C

 Names

Name (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
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 412.5±44.0 °C at 760 mmHg
Melting Point 99-101ºC
Molecular Formula C20H28O
Molecular Weight 284.436
Flash Point 177.9±23.4 °C
Exact Mass 284.214020
PSA 17.07000
LogP 5.65
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.547
Storage condition 2-8°C

 Synthetic Route

 Synonyms

18-methyl-11-methylene-4-estren-17-one
13-ethyl-11-methylenegona-4-en-17-one
13-ethyl-11-methylengon-4-ene
Desogestrel EP IMpurity C
13Beta-Ethyl-11-methylenegon-4-en-17-one
(8S,9S,10R,13S,14S)-13-Ethyl-11-methylene-1,2,3,6,7,8,9,10,11,12,13,14,15,16-tetradecahydro-17H-cyclopenta[a]phenanthren-17-one
11-methylene-18a-homo-estr-4-en-17-one
(8S,9S,10R,13S,14S)-13-Ethyl-11-methylene-1,2,3,6,7,8,9,10,11,12,13,14,15,16-tetradecahydro-17H-cyclopenta[a]phenanthren-17-one (non-preferred name)
13-ethyl-11-methylenegon-4-en-17-one
13b-Ethyl-11-methylenegon-4-en-17-one
13-Ethyl-11-methylene-gon-4-en-17-one
Desogestrel InterMediates
Desogestrel Impurity 3
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