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1604-11-1

甲基丁二酸二甲酯(1604-11-1)质谱(MS)

分子式:C7H12O4

分子量: 160.17

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    Mass

    MS-NW-8629          
    dimethyl methylsuccinate
    C7H12O4             (Mass of molecular ion:    160)
    

       Source Temperature: 250 °C
       Sample Temperature: 140 °C
       Reservoir, 75 eV
    

          15.0      25.2
          27.0       5.0
          28.0       2.9
          29.0       8.6
          31.0       3.0
          39.0       8.2
          40.0       2.1
          41.0      20.7
          42.0      11.2
          43.0       6.2
          45.0       2.5
          55.0       6.6
          56.0       1.7
          58.0       1.7
          59.0     100.0
          60.0       3.1
          69.0      14.8
          70.0       1.2
          71.0       1.0
          72.0       1.6
          73.0       1.3
          74.0       5.6
          85.0       1.5
          87.0      10.5
          99.0       1.3
         100.0      17.4
         101.0      19.1
         102.0       1.2
         128.0      15.1
         129.0      27.7
         130.0       1.9
    

400 MHz in CDCl3

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    1H NMR 399.65 MHz
    C7 H12 O4 0.05 ml : 0.5 ml CDCl3
    dimethyl methylsuccinate
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 3.701 B *1 3.683 C 2.928 D 2.745 E 2.426 F 1.226 J(D,E)=-16.4HZ J(C,E)=6.2HZ J(C,D)=7.8HZ

         Hz     ppm     Int.
    

       1479.13   3.702   1000
       1472.05   3.684    975
       1180.79   2.955     46
       1174.68   2.940     54
       1173.71   2.937     68
       1172.73   2.935     64
       1167.48   2.922     57
       1166.63   2.920     76
       1165.53   2.917     65
       1159.42   2.902     57
       1109.62   2.777    123
       1101.44   2.757     95
       1093.02   2.735    147
       1084.96   2.715    124
        979.61   2.452    137
        973.63   2.437    128
        963.13   2.410    108
        957.03   2.395    102
        493.77   1.236    632
        486.57   1.218    637
    

in CDCl3

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liquid film

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4880 A,200 M,liquid

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