19457-55-7

• 常用中文名：6-亚甲基雄-4-烯-3,17-二酮
• 常用英文名：6-Methyleneandrost-4-ene-3,17-dione
• CAS号：19457-55-7
• 分子式：C₂₀H₂₆O₂
• 分子量：298.419
• 发布时间：2018-05-27 08:00:00
• 更新时间：2026-07-01 14:37:50

名称

• 中文名: 依西美坦中间体
• 英文名: (8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,17-dione
• 中文别名: 6-亚甲基-芳基-4-烯-3,17-二酮; 6-次甲基-4-雄烯二酮(依西美坦中间体); 6-次甲基-4-雄稀二酮; 依西美坦杂质15(依西美坦杂质E); 6-亚甲基-芳基-4-烯-3,17-二酮(依西美坦杂质); 依西美坦杂质E; 依西美坦 杂质 E(依西美坦 相关化合物 A); 依西美坦相关化合物A; 6-亚甲基-4-雄烯-3,17-二酮; 依西美坦片杂质i; 6-次甲基-4-雄烯二酮(甾体); 依西美坦倒数第三步; 6-亚甲基雄-4-烯-3,7-二酮; 依西美坦相关物质A; 6-亚甲基雄烯-4-烯-3,17-二酮; 依西美坦杂质A 标准品; 1,2-二氢依西美坦; (8R,9S,10R,13S,14S)-10,13-二甲基-6-亚甲基-7,8,9,10,11,12,13,14,15,16-十氢-1H-环戊二烯并[A]菲-3,17(2H,6H)-二酮
• 英文别名: 6-Methylene-4-androstene-3,17-dione; 6-METHYLENEANDROST-4-ENE-3,17-DIONE; 6-METHYLENEANDROST-4-ENE-3,7-DIONE 19-7; 6-methylenandrost-4-ene-3; Exemestane Related Compound A (15 mg) (6-Methyleneandrosta-4-ene-3,17-dione); Exemestane Impurity E (Exemestane Related Compound A); 6-Methyleneandrost-4-ene-3,7-dione; 6-Methyleneandrost-4-ene-3,17-dione (Exemestane Impurity); 1,2-Dihydro ExeMestane; Exemestane impurity E; 6-Methylene-4-Androsten-3,17-dione; Intermediate of Exemestane; Exemestane Tablets Impurity i; 6-Methyleneandrost-4-en-3,17-dione; Androst-4-ene-3,17-dione-6-methylene; 6-methylenandrosta-4-ene-3,17-dione; Exemestane Impurity 15 (Exemestane Impurity E); 6- times methyl-4-androstenedione; Exemestane Related Compound A; 6- methyl -4- two ketone (steroid); 6-methylene-4-androstene-3,17-dione; 6-methylen-androst-4-ene-3,17-dione; 6-methylideneandrost-4-ene-3,17-dione; Exemestane Related Compound A (6-Methyleneandrosta-4-ene-3,17-dione); 6-methylen-4-androsten-3,17-dione; 6-Methyleneandrosta-4-ene-3,17-dione. STAGE i; Exemestane intermediate object; 6-Methylideneandrost-4-ene-3,17-dione; 1,2-Dihydro Exemestane

物化性质

• 密度: 1.1±0.1 g/cm3
• 沸点: 450.8±45.0 °C at 760 mmHg
• 熔点: 164 °C(dec.)
• 分子式: C₂₀H₂₆O₂
• 分子量: 298.419
• 闪点: 168.0±25.7 °C
• 精确质量: 298.193268
• PSA: 34.14000
• LogP: 3.07
• 外观性状: 固体;White to Orange to Green powder to crystal
• 蒸汽压: 0.0±1.1 mmHg at 25°C
• 折射率: 1.556
• 储存条件: 室温，干燥

安全

• 符号: GHS08
• 信号词: Warning
• 危害声明: H361
• 警示性声明: P280
• 危险品运输编码: NONH for all modes of transport

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