甲基丁二酸二甲酯

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

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