METHYL2-PYRAZINECARBOXYLATE4-OXIDE(770-00-3)质谱(MS)

Mass

MS-IW-9607          
methyl 2-pyrazinecarboxylate 4-oxide
C6H6N2O3            (Mass of molecular ion:    154)

   Source Temperature: 140 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      15.0      10.4
      18.0       1.4
      26.0       3.6
      27.0       1.5
      28.0       8.2
      29.0       2.2
      30.0       7.3
      37.0       1.3
      38.0       3.8
      39.0       4.0
      40.0       3.4
      41.0       6.0
      42.0       5.6
      51.0       3.2
      52.0      53.3
      53.0       6.6
      54.0       1.6
      59.0      11.6
      64.0       1.3
      67.0       1.9
      68.0       1.1
      69.0       1.8
      79.0       5.7
      80.0       6.0
      95.0      28.3
      96.0     100.0
      97.0       6.4
     108.0       2.9
     123.0       8.6
     124.0      28.3
     125.0       2.0
     154.0      30.9
     155.0       2.6