2-Ethyl-3-phenylquinoxaline 1-oxide(10130-26-4) MS

Mass

MS-KW-0647          
2-ethyl-3-phenylquinoxaline 1-oxide
C16H14N2O           (Mass of molecular ion:    250)

   Source Temperature: 170 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      39.0       1.5
      50.0       4.5
      51.0       3.9
      63.0       1.7
      75.0       3.0
      76.0       7.9
      77.0      11.8
      78.0       1.5
      89.0       1.8
      90.0       1.7
      91.0       1.5
     102.0       5.8
     103.0       5.3
     104.0       1.4
     105.0       5.5
     109.0       6.3
     109.5       1.9
     115.0       6.0
     115.5       4.8
     116.0      14.5
     116.5       6.2
     117.0       2.1
     125.0       1.0
     128.0       1.3
     129.0       1.8
     130.0       4.1
     131.0       1.2
     151.0       1.4
     152.0       1.5
     155.0       2.1
     167.0       1.5
     178.0       2.7
     179.0       3.2
     194.0       1.2
     205.0       3.5
     206.0       1.9
     216.0       1.4
     217.0       2.4
     218.0      14.8
     219.0       4.3
     231.0      11.4
     232.0      21.0
     233.0     100.0
     234.0      34.1
     235.0       4.6
     249.0       2.9
     250.0      15.6
     251.0       3.0