Mass

MS-IW-7668          
3-ethyl-2(1H)-quinoxalinone
C10H10N2O           (Mass of molecular ion:    174)

   Source Temperature: 160 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      17.0       1.4
      18.0       4.6
      26.0       1.1
      27.0       3.4
      28.0       5.2
      29.0       1.5
      37.0       1.6
      38.0       3.8
      39.0       5.1
      40.0       1.3
      41.0       1.8
      50.0       4.3
      51.0       4.9
      52.0       4.9
      53.0       1.1
      54.0       1.2
      59.5       1.0
      62.0       3.0
      63.0       5.9
      64.0       5.3
      65.0       5.0
      66.0       1.0
      72.0       1.5
      72.5       4.3
      74.0       1.4
      75.0       2.5
      76.0       4.1
      77.0       5.7
      78.0       3.6
      87.0       4.3
      89.0       1.8
      90.0       7.2
      91.0       4.7
      92.0       5.5
     102.0       2.6
     103.0       1.7
     104.0       4.8
     105.0       1.6
     116.0       1.1
     117.0       1.8
     118.0       6.9
     119.0       5.3
     129.0       1.1
     130.0       1.5
     131.0      15.1
     132.0       2.7
     143.0       2.6
     144.0       2.2
     145.0      87.8
     146.0      16.7
     147.0       3.1
     155.0       1.7
     173.0       7.6
     174.0     100.0
     175.0      11.7
     176.0       1.3