13b-ethyl-11-methylenegon-4-en-17-one
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. 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-866881-3
- Molecular Formula
- C20H28O
- Molecular Weight
- 284.436 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 99-101ºC |
|---|---|
| Boiling Point | 412.5±44.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 177.9±23.4 °C |
| Exact Mass | 284.214020 |
| PSA | 17.07000 |
| LogP | 5.65 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.547 |
| Storage Conditions | 2-8°C |
Frequently Asked Questions
What is the CAS number of 13b-ethyl-11-methylenegon-4-en-17-one?
The CAS number of 13b-ethyl-11-methylenegon-4-en-17-one is 54024-21-4.
What are the molecular formula and molecular weight of 13b-ethyl-11-methylenegon-4-en-17-one?
13b-ethyl-11-methylenegon-4-en-17-one has molecular formula C20H28O and molecular weight 284.436 g/mol.
What are the upstream and downstream products of 13b-ethyl-11-methylenegon-4-en-17-one?
For 13b-ethyl-11-methylenegon-4-en-17-one, Upstream Products: 18-Methyl-11-methyleneestr-4-ene-3,17-dione, (17β)-13-Ethyl-17-hydroxy-11-methylenegon-4-en-3-one; Downstream Products: Desogestrel, N-hexane, Etonogestrel.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "13b-ethyl-11-methylenegon-4-en-17-one (CAS 54024-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-866881-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.