19914-67-1
中文名称
13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Α-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮
英文名称
13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
CAS
19914-67-1
分子式
C21H28O2
分子量
312.45
MOL 文件
19914-67-1.mol
更新日期
2026/01/28 16:42:42
19914-67-1 结构式
基本信息
中文别名
左炔诺孕酮EP杂质B左炔诺孕酮杂质B(EP)
17Α-乙炔基-18-甲基雌甾-5(10)-烯-17Β-醇-3-酮
13-乙基-17Β-羟基-18,19-二去甲孕甾-5(10)-烯-20-炔-3-酮 17Α-乙炔基-17Β-羟基-18-甲基雌甾-5(10)-烯-3-酮
英文别名
Levonorgestrel EP IMP BEP Levonorgestrel Impurity B
Levonorgestrel EP impurity B
13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one
13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one
17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one
Levonorgestrel Impurity 2（Levonorgestrel EP Impurity B）
13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one
所属类别
医药中间体：原料药中间体物理化学性质
熔点169-171?C
沸点454.0±45.0 °C(Predicted)
密度1.14±0.1 g/cm3(Predicted)
储存条件Refrigerator
溶解度Chloroform (Slightly), Methanol (Slightly)
酸度系数(pKa)13.10±0.40(Predicted)
形态neat
主要应用pharmaceutical (small molecule)
InChI1S/C21H28O2/c1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/h2,17-19,23H,3,5-13H2,1H3/t17-,18-,19+,20+,21+/m1/s1
InChIKeyQCMLVDXPKCBMFQ-MJCUULBUSA-N
SMILESO[C@@]1([C@@]2([C@H]([C@H]3[C@H](CC2)C4=C(CC3)CC(=O)CC4)CC1)CC)C#C