1,3-Dimethyl-2-quinoxalinone(3149-25-5) MS

Mass

MS-IW-7617          
1,3-dimethyl-2(1H)-quinoxalinone
C10H10N2O           (Mass of molecular ion:    174)

   Source Temperature: 140 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      28.0       1.3
      38.0       1.0
      39.0       2.5
      42.0       1.1
      50.0       2.6
      51.0       4.5
      52.0       1.5
      58.5       1.3
      62.0       1.0
      63.0       4.5
      64.0       2.6
      65.0       1.4
      72.0       3.2
      73.0       4.5
      75.0       1.5
      76.0       2.6
      77.0       9.8
      78.0       3.5
      90.0       5.0
      91.0       1.4
      92.0       3.0
     103.0       1.1
     104.0       6.4
     105.0       2.2
     117.0       1.0
     118.0       1.5
     119.0       1.0
     131.0      21.6
     132.0       2.2
     145.0      26.0
     146.0      42.1
     147.0       4.4
     174.0     100.0
     175.0      11.8