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网站主页CAS数据库列表 766-40-5更多图谱3,4-二氯-5-羟基-5H-呋喃-2-酮(766-40-5)核磁图(1HNMR)

3,4-二氯-5-羟基-5H-呋喃-2-酮

产品名称 3,4-二氯-5-羟基-5H-呋喃-2-酮

CAS号766-40-5

分子式C4H2Cl2O3

分子量168.96

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  • Mass

    MS-NW-1862          
    (Z)-2,3-dichloro-3-formylacrylic acid
    C4H2Cl2O3           (Mass of molecular ion:    168)
    

       Source Temperature: 260 °C
       Sample Temperature: 180 °C
       Direct, 75 eV
    

          12.0       3.5
          16.0       5.4
          18.0       2.9
          22.0       1.1
          24.0       6.6
          25.0      13.6
          26.0       9.3
          28.0      11.5
          29.0      34.4
          35.0       9.6
          36.0      25.8
          37.0       5.9
          38.0       7.9
          44.0     100.0
          45.0       2.9
          47.0       5.9
          48.0       1.3
          49.0       2.0
          52.0       5.0
          53.0      10.3
          59.0      11.3
          60.0      86.7
          61.0      31.5
          62.0      28.3
          63.0       9.7
          72.0       1.3
          87.0      30.9
          88.0      11.6
          89.0      17.9
          90.0       4.0
          91.0       3.1
          94.0       4.4
          95.0       8.8
          96.0       9.3
          97.0       5.6
          98.0       4.8
         105.0       1.8
         122.0       3.7
         123.0       6.0
         124.0      21.5
         125.0       4.3
         126.0      12.8
         127.0       1.1
         128.0       2.0
         133.0       7.8
         135.0       2.5
         139.0       1.1
         140.0       1.1
         151.0       1.2
         168.0       1.7
         170.0       1.0
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C4 H2 Cl2 O3 0.038 g : 0.5 ml DMSO-d6
    (Z)-2,3-dichloro-3-formylacrylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.64 B 6.241

         Hz     ppm     Int.
    

       3454.10   8.643    586
       2494.38   6.242   1000
    

KBr disc



nujol mull



4880 A,200 M,powder