Quinoxaline, 2-methoxy-, 4-oxide

Mass

MS-IW-7664          
2-methoxyquinoxaline 4-oxide
C9H8N2O2            (Mass of molecular ion:    176)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      15.0       1.9
      17.0       1.2
      18.0       4.4
      27.0       1.3
      28.0       2.0
      29.0       1.4
      30.0       1.0
      37.0       1.4
      38.0       2.5
      39.0       4.2
      42.0      11.6
      50.0       4.2
      51.0       4.5
      52.0       2.3
      55.0       1.7
      61.0       1.0
      62.0       3.2
      63.0       6.4
      64.0       4.9
      65.0       2.6
      74.0       1.9
      75.0       3.3
      76.0       6.5
      77.0       3.7
      78.0       5.5
      88.0       4.1
      89.0       7.7
      90.0      13.2
      91.0       8.4
      92.0       2.6
     102.0       3.2
     103.0       6.0
     104.0       3.2
     105.0       3.3
     106.0       4.4
     116.0       3.6
     117.0       3.2
     118.0       5.3
     119.0       2.8
     122.0       1.5
     129.0       3.8
     130.0       7.1
     131.0      11.2
     132.0       1.9
     133.0       1.5
     144.0       1.3
     145.0       2.2
     146.0      24.5
     147.0       9.2
     159.0      10.3
     160.0      16.5
     161.0       1.7
     175.0      40.2
     176.0     100.0
     177.0      10.7