54024-17-8

• 常用中文名：18-甲基-11-亚甲基雌甾-4-烯-3,17-二酮
• 常用英文名：(8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione
• CAS号：54024-17-8
• 分子式：C₂₀H₂₆O₂
• 分子量：298.419
• 发布时间：2018-12-28 17:21:12
• 更新时间：2026-07-07 18:48:40

名称

• 中文名: 18-甲基-11-亚甲基雌甾-4-烯-3,17-二酮
• 英文名: (8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione
• 中文别名: 依托孕烯相关化合物A; 依托孕烯杂质A; 依托孕烯中间体-11亚甲基双酮; 依托孕烯杂质17; 去氧孕烯中间体(双酮物); 双酮物; 依托孕烯相关物质A; 依托孕烯杂质3
• 英文别名: Etonogestrel Related Compound A (10 mg) (13-Ethyl-11-methylenegon-4-ene-3,17-dione); 13β-ethyl-11-methyleneestr-4-ene-3,17-dione; (8S,9S,10R,14S)-13-Ethyl-11-Methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione; Etonogestrel Impurity 17; (8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phe; Etonogestrel Impurity 3; (8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenan; Etonogestrel Related Compound A (13Beta-Ethyl-11-methylenegon-4-ene-3,17-dione); Gon-4-ene-3,17-dione, 13-ethyl-11-Methylene; Etonogestrel Related CoMpound A; (8S,9S,10R,14S)-13-ethyl-11-methylidene-2,6,7,8,9,10,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione; Etonogestrel Impurity D (Etonogestrel Related Compound A); 18-Methyl-11-methyleneestr-4-ene-3,17-dione; 18-Methyl-11-me; 13β-Ethyl-11-methyliden-gon-4-ene-3,17-dione; Etonogestrel Impurity A

物化性质

• 密度: 1.1±0.1 g/cm3
• 沸点: 460.9±45.0 °C at 760 mmHg
• 分子式: C₂₀H₂₆O₂
• 分子量: 298.419
• 闪点: 171.5±25.7 °C
• 精确质量: 298.193268
• PSA: 34.14000
• LogP: 3.28
• 蒸汽压: 0.0±1.1 mmHg at 25°C
• 折射率: 1.555

合成路线

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