Quercetin dihydrate
        
        Molecular Structure:
 
        MDL:
MFCD00149487
        Molecular Formula:
	C15H10O7·2H2O
        Molecular Weight:
	338.27
        Alias:
	栎精,槲黄素,槲皮黄素,橡精,栎皮黄素,栎精酸,楝精, 3,3',4',5,7-五羟基黄酮二水合物
2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one dihydrate
3,3′,4′,5,7-Pentahydroxyflavone dihydrate
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | Quercetin dihydrate | 分析标准品,≥98% (HPLC) | 20mg | RMB 214.5 | Consulting service | 
          
            | Quercetin dihydrate | 97% | 250g | RMB 1727 | Consulting service | 
          
            | Quercetin dihydrate | 98%+ | 25g | RMB 280.5 | Consulting service | 
          
            | Quercetin dihydrate | 98%+ | 100g | RMB 852.5 | Consulting service | 
          
            | Quercetin dihydrate | 98%+ | 500g | RMB 2673 | Consulting service | 
          
            | Quercetin dihydrate | 97% | 10g | RMB 115.5 | Consulting service | 
          
            | Quercetin dihydrate | 97% | 50g | RMB 429 | Consulting service | 
        
         
        Character:
黄色针状结晶或结晶性粉末。热至95-97℃变为无水物。312-314℃分解。1g溶于290ml无水乙醇、23ml沸乙醇,溶于冰乙酸,溶于碱液呈黄色,几乎不溶于水。醇溶液味苦。最大吸收波长(乙醇中)258、275nm(logε 2.75、2.75)。有毒,半数致死量(小鼠,经口)160mg/kg。
熔点:>300 °C
        Quality Standard:
	外观Appearance                          白色至米黄色粉末
红外光谱鉴别Infrared spectrometry       符合
纯度Purity                              ≥97% (HPLC)
水分Water                               ≤15.0 %
        Storage:
	密封避光保存。
有机灵敏试剂,铝的荧光测定,铁、锡、锆的光度测定。生化试剂,线粒体腺苷三磷酸酯酶的抑制剂。医药。与表氯醇(3-氯-1,2-环氧丙烷)混合形成环氧树脂。