CAS号:2240-28-0
品名:倍他米松21-戊酸酯Betamethasone21-valerate
中文别名:倍他米松21-戊酸酯
英文别名:[2-[(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl]pentanoate;BetamethasoneValerateRelatedCompoundA;BetamethasoneRelatedCompoundA(USP)BetamethasoneimpurityE;
分子式:C27H37FO6
分子量:476.577
精确质量:476.257
Psa:100.9
UNII号:BW52JZ3627
密度:1.24g/cm3
沸点:607.5ºC at 760 mmHg
闪点:321.2ºC
折射率:1.56
蒸汽压:2.69E-17mmHg at 25°C
简介:Betamethasone21-ValerateisanisomericimpurityofBetamethasone17-Valerate,asancorticosteroid.Betamethasone21-ValeratewasgeneratedinthestressstudyoftheactivedrugBetamethasone17-Valerate.
合成