久久九九久精品国产首页_欧美日韩在线不卡高清视频_国产精品网曝门在线观看_P2020国产精品久久精品

    <ol id="lu3ax"><tbody id="lu3ax"></tbody></ol>
      熱線電話:021-54370211?    

    3,4-Dihydroxybenzaldehyde

    Name: 3, 4-dihydroxybenzaldehyde

    CAS number: 139-85-5

    Quality standards: 99%

    Package: 25kg/carton

    Land: domestic

    Details:

    Chinese name 3, 4-dihydroxybenzaldehyde

    The English name is 3, 4-dihydroxybenzaldehyde

    Chinese alias procatechin;The original second tea aldehyde;Catechine formaldehyde;Catechu aldehyde.3, 4-dihydroxybenzaldehyde

    CAS RN) 139-85-5

    EINECS no. 205-377-7

    C7H6O3

    The amount is 138.1207

    Physical and chemical properties Light yellow crystal, mp / 152 ~ 154 ℃ (melts decomposition), dissolved in water, and soluble in ethanol, ethyl ether, chloroform and other organic solvents. 

    An important pharmaceutical intermediates that can be used to synthesize various antimicrobials and anti-inflammatory drugs

    @ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

    屏南县| 彰化市| 海伦市| 郑州市| 高唐县| 栾城县| 敖汉旗| 渝北区| 正宁县| 北海市| 沁阳市| 马鞍山市| 衡东县| 云南省| 资源县| 溧水县| 房山区| 泰来县| 德钦县| 青阳县| 昌平区| 罗城| 邮箱| 板桥市| 綦江县| 饶平县| 定日县| 电白县| 三原县| 邮箱| 兖州市| 柘城县| 新津县| 萨迦县| 保德县| 闵行区| 婺源县| 嘉鱼县| 闽侯县| 淮安市| 新乡县|