中药标准品
CAS号：27200-12-0
品名：二氢杨梅素(+)-dihydromyricetin
中文别名：(2R,3R)-3,5,7-三羟基-2-(3,4,5-三羟基苯基)苯并二氢吡喃-4-酮;蛇葡萄素;藤茶提取物;
英文别名：rac-ampelopsin;Ampelopsin;3,5,7,3',4',5'-hexahydroxy-2,3-dihydroflavonol;(2R,3R)-3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-2,3-dihydrochromen-4-oneAmpelopsinDHM;AmpelopsinE;(2R,3R)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-2,3-dihydrochromen-4-one;3,5,7,3',4',5'-hexahydroxy-2,3-dihydroflavone;3,3',4',5,5',7-Hexahydroxy-2,3-dihydroflavanonol;Flavanone,3,3',4',5,5',7-hexahydroxy;Dihydromyricetin;Ampeloptin;dihydromyricetin;(2R,3R)-dihydromyricetin;
分子式：C15H12O8
分子量：320.251
精确质量：320.053
Psa：147.68
UNII号：KD8QND6427
密度：1.808 g/cm3
沸点：780.7ºC
闪点：296.7ºC
折射率：1.798
蒸汽压：1.16E-25mmHg at 25°C
海关编码：2942000000
简介：Ampelopsin,alsoknownasdihydromyricetin,isaflavanonol,atypeofflavonoid.ItisfoundintheAmpelopsisspeciesjaponica,megalophylla,andgrossedentata;Cercidiphyllumjaponicum;Hoveniadulcis;Rhododendroncinnabarinum;somePinusspecies;andsomeCedrusspecies,aswellasinSalixsachalinensis.
