Silodosin (trade names Rapaflo (USA), Silodyx (Europe and South Africa), Rapilif (India), Silodal (India), Urief (Japan), Urorec (Russia)) is a medication for the symptomatic treatment of benign prostatic hyperplasia. It acts as an α1-adrenoceptor antagonist with high uroselectivity (selectivity for the prostate).

CAS：160970-54-7
中文别名：西罗多辛;西洛多辛（R）;2,3-二氢-1-(3-羟丙基)-5-[(2R)-2-[2-[2-(2,2,2-三氟乙氧基)苯氧基]乙胺基]丙基]-1H-吲哚-7-甲酰胺;
英文别名：1-(3-hydroxypropyl)-5-[(2R)-2-({2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl}amino)propyl]-2,3-dihydro-1H-indole-7-carboxamide;Urief;KMD-3213;UNII-CUZ39LUY82;KAD 3213;Silodyx;Rapaflo;1H-Indole-7-carboxamide, 2,3-dihydro-1-(3-hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-;2,3-dihydro-1-(3-hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-1H-indole-7-carboxamide;1-(3-hydroxypropyl)-5-[(2R)-2-[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethylamino]propyl]-2,3-dihydroindole-7-carboxamide;
分子式：C25H32F3N3O4
分子量：495.534
精确质量：495.234
Psa：97.05
Logp：4.2273

UNII：CUZ39LUY82

外观与性状：白色至米黄色固体
密度：1.249g/cm3
沸点：601.4ºC at 760 mmHg
闪点：317.5ºC
折射率：1.552
蒸汽压：2.58E-15mmHg at 25°C