商品名:秦皮甲素
别 名:七叶灵倍半水合物,七叶苷,6-(beta-D-吡喃葡糖氧基)-7-羟基-2H-1-苯并呋喃-2-酮
6,7-Dihydroxycoumarin
6-glucoside hydrate
6-(beta-D-Glucopyranosyloxy)-7-hydroxy-2H-1-benzopyran-2-one
7-Hydroxycoumarin-6-yl beta-D-Glucopyranoside
英文名:Esculin hydrate
产 地:湖南
Cas号:531-75-9
MDL:MFCD00149492
Beilstein:
EINECS:208-517-5
分子结构:
分子式:C15H16O9•xH2O
分子量:340.2800
备注:
性状:熔点:203-205℃
[α]20D : -79 ° (C=2.4, 50% Dioxane)
质量标准:外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry 和对照匹配
纯度Purity ≥99.0% (HPLC)
纯度Purity 98.5 - 101.5 % (中和滴定)
比旋光度Specific rotation [a]20/D -77.0°~ -81.0°(C=2.4, 50% Dioxane)
水分Water ≤10.5 % (Karl Fischer)
UV/Vis absorbance 13.0 - 13.5
(EmM, 335-336 nm in EtOH, anhydrous basis)
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