2,3-DIMETHYLQUINOXALINE

Mass

MS-NW-2007          
2,3-dimethylquinoxaline
C10H10N2            (Mass of molecular ion:    158)

   Source Temperature: 240 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      27.0       3.1
      38.0       1.4
      39.0       3.3
      42.0       1.5
      50.0      13.8
      51.0       4.3
      52.0       1.9
      53.0       1.0
      62.0       1.1
      63.0       3.1
      64.0       1.6
      74.0       2.5
      75.0       6.4
      76.0      28.0
      77.0      20.0
      78.0       1.7
      79.0       3.1
      89.0       4.3
      90.0       5.5
     102.0       4.0
     116.0       3.8
     117.0     100.0
     118.0       9.4
     143.0       3.0
     157.0       1.6
     158.0      85.5
     159.0      10.4

Assign. Shift(ppm) A 7.96 B 7.65 C 2.706

     Hz     ppm     Int.

    718.94   8.028     55
    715.44   7.989     61
    713.06   7.962     47
    712.31   7.954     39
    708.94   7.916     91
    688.56   7.689     97
    685.56   7.655     44
    684.75   7.646     44
    682.31   7.619     61
    678.81   7.580     56
    242.38   2.707   1000