912-38-9
中文名稱(chēng)
9,11β-環(huán)氧-17-羥基-16β-甲基-3,20-二氧-9β-孕烷-1,4-二烯-21-乙酸酯
英文名稱(chēng)
9,11β-Epoxy-17-hydroxy-16β-methyl-3,20-dioxo-9β-pregna-1,4-diene-21-yl Acetate
CAS
912-38-9
分子式
C24H30O6
分子量
414.491
MOL 文件
912-38-9.mol
更新日期
2024/12/16 15:20:13
912-38-9 結(jié)構(gòu)式
基本信息
中文別名
倍他米松雜質(zhì)18倍他米松雜質(zhì)28
地塞米松EP雜質(zhì)3
醋酸倍他米松EP雜質(zhì)D
醋酸地塞米松雜質(zhì)EP H
醋酸倍他米松雜質(zhì)D(EP)
倍他米松雜質(zhì)18(去甲美他松BETA甲基丙烯酸21-乙酸酯)
9Β,11Β-環(huán)氧-16Β-甲基孕甾-1,4-二烯-17Α,20-二醇-3,20-二酮-21-醋酸酯
英文別名
21-Acetyloxy-9β,11β-epoxy-17-hydroxy-16β-methylpregna-1,4-diene-3,20-dioneBetamethasone Impurity 18
Betamethasone Acetate - Impurity D
Betamethasone Acetate EP Impurity D
21-O-Acetyl Betamethasone 9, 11-Epoxide
Betamethasone Impurity 21(Betamethasone Acetate EP Impurity D)
Betamethasone Impurity 18 (Desoximetasone Beta Methyl Epoxide 21-Acetate)
9,11-Epoxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione 21-acetate
9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-Acetate
9β,11β-epoxy-17α,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-acetate
物理化學(xué)性質(zhì)
外觀性狀結(jié)晶。熔點(diǎn)191℃。
熔點(diǎn)198-203°C
沸點(diǎn)575.1±50.0 °C(Predicted)
密度1.29±0.1 g/cm3(Predicted)
儲(chǔ)存條件-20°C冷凍
溶解度可溶于氯仿(輕微)、二惡烷(輕微)、DMSO(輕微)、甲醇(輕微)
酸度系數(shù)(pKa)12.51±0.70(Predicted)
形態(tài)固體
顏色白色