DL-苹果酸二甲酯

Mass

MS-NW-1212          
dimethyl DL-malate
C6H10O5             (Mass of molecular ion:    162)

   Source Temperature: 250 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      14.0       1.7
      15.0      38.7
      18.0       1.6
      26.0       2.8
      27.0       4.3
      28.0       6.7
      29.0      11.6
      30.0       2.0
      31.0      10.3
      32.0       1.8
      33.0      22.0
      41.0       1.3
      42.0      10.7
      43.0      70.4
      44.0      11.3
      45.0       2.1
      53.0       1.1
      54.0       1.6
      55.0       4.0
      57.0       1.1
      58.0       1.0
      59.0      24.0
      61.0      43.3
      69.0       1.3
      71.0      85.3
      72.0       2.8
      74.0       8.6
      85.0       2.9
     101.0       1.2
     102.0       7.3
     103.0     100.0
     104.0       4.5
     113.0       8.9
     114.0       2.4
     130.0       3.6
     131.0       5.1

Assign. Shift(ppm) A 4.53 B 3.814 C 3.720 D 3.52 E *1 2.87 F *1 2.81

     Hz     ppm     Int.

    411.06   4.590     48
    405.88   4.532     58
    405.31   4.526     69
    400.38   4.471     56
    341.63   3.815    928
    339.50   3.791     54
    338.50   3.780     37
    333.19   3.721   1000
    331.56   3.703     41
    314.81   3.516    153
    257.13   2.872    163
    256.81   2.868    163
    252.38   2.818    116
    250.94   2.802    114