彩票达人快三

  • <tr id='KJ5I1u'><strong id='KJ5I1u'></strong><small id='KJ5I1u'></small><button id='KJ5I1u'></button><li id='KJ5I1u'><noscript id='KJ5I1u'><big id='KJ5I1u'></big><dt id='KJ5I1u'></dt></noscript></li></tr><ol id='KJ5I1u'><option id='KJ5I1u'><table id='KJ5I1u'><blockquote id='KJ5I1u'><tbody id='KJ5I1u'></tbody></blockquote></table></option></ol><u id='KJ5I1u'></u><kbd id='KJ5I1u'><kbd id='KJ5I1u'></kbd></kbd>

    <code id='KJ5I1u'><strong id='KJ5I1u'></strong></code>

    <fieldset id='KJ5I1u'></fieldset>
          <span id='KJ5I1u'></span>

              <ins id='KJ5I1u'></ins>
              <acronym id='KJ5I1u'><em id='KJ5I1u'></em><td id='KJ5I1u'><div id='KJ5I1u'></div></td></acronym><address id='KJ5I1u'><big id='KJ5I1u'><big id='KJ5I1u'></big><legend id='KJ5I1u'></legend></big></address>

              <i id='KJ5I1u'><div id='KJ5I1u'><ins id='KJ5I1u'></ins></div></i>
              <i id='KJ5I1u'></i>
            1. <dl id='KJ5I1u'></dl>
              1. <blockquote id='KJ5I1u'><q id='KJ5I1u'><noscript id='KJ5I1u'></noscript><dt id='KJ5I1u'></dt></q></blockquote><noframes id='KJ5I1u'><i id='KJ5I1u'></i>

                芦丁

                更新:2018-11-25 10:57:51

                  中文名:芦丁
                  英文名:Rutin
                  别名:芸香叶苷;槲皮素-3-芸香糖苷;槲皮素-3-芸香糖甙;维生素 P;维他命 P;芦丁;紫皮苷;紫皮甙
                  CAS No.:153-18-4级别:Reagent Grade
                  分子式:C27H30O16分子量:610.52
                订购信息
                  货号规格价格品牌
                  R2886-25g25g124GBCBIO
                  R2886-100g100g397GBCBIO
                产品介绍
                  质检项目指标值
                  含量,%≥95.0


                  化学性质:

                  浅黄色或微绿色针状结晶或粉末。无气味。无味。在光◤的作用下色渐变深。通常含3分子结晶水,95~97℃干燥失去2分子结晶水,在110℃、1.33kPA压力下12小时后变成无水,125℃变成棕色,195~197℃变成柔韧可塑物,214~215℃分解并起泡。无水物易吸湿。1G溶于约8L水、约200ml沸水、7ml沸甲醇。溶于吡啶、甲酰胺和碱液,微溶于乙醇、丙酮和乙酸乙酯,几乎不溶于氯仿、苯、二硫化碳和石油溶剂。稀溶液遇三氧化铁呈绿色。比旋光度 [α]23D+13.82°(乙醇中)。

                  用途:

                  晶状体醛糖还原酶的抑制剂。


                更多产品