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Dimethyl acetylsuccinate

CAS10420-33-4

MFC8H12O5

MW188.18

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  • Mass

    MS-IW-2184          
    dimethyl acetylsuccinate
    C8H12O5             (Mass of molecular ion:    188)
    

       Source Temperature: 220 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          15.0      14.9
          26.0       1.8
          27.0       8.7
          28.0       2.4
          29.0       2.9
          31.0       2.6
          39.0       1.7
          41.0       1.9
          42.0       4.6
          43.0     100.0
          44.0       3.7
          45.0       2.4
          53.0       1.9
          54.0       1.4
          55.0      48.2
          56.0       2.2
          58.0       2.2
          59.0      12.8
          69.0       1.8
          75.0       1.5
          82.0       1.9
          85.0       4.5
          86.0       4.7
          87.0      20.4
          88.0       1.0
          97.0      13.0
          98.0       1.6
          99.0       2.2
         113.0      15.6
         114.0      81.0
         115.0      13.0
         116.0       1.2
         124.0       4.9
         125.0       4.4
         129.0      31.5
         130.0       2.2
         145.0       1.6
         146.0      53.2
         147.0       3.7
         156.0       3.3
         157.0       9.5
         188.0       1.1
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C8 H12 O5 0.05 ml : 0.5 ml CDCl3
    dimethyl acetylsuccinate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.019 B 3.761 C 3.676 D *1 2.957 E *1 2.840 F 2.353 J(A,D)=8.1HZ J(A,E)=6.4HZ J(D,E)=-17.6HZ

         Hz     ppm     Int.
    

       1613.77   4.038     97
       1607.30   4.022    114
       1605.83   4.019    119
       1599.24   4.002    105
       1503.66   3.763   1000
       1503.05   3.761    949
       1469.60   3.678    978
       1197.27   2.996     78
       1189.21   2.976     73
       1179.69   2.952    145
       1171.63   2.932    145
       1144.41   2.864    144
       1138.06   2.848    144
       1126.95   2.820     78
       1120.48   2.804     81
        940.67   2.354    999
    

in CDCl3



liquid film