Mass

MS-IW-7618          
1(2H)-phthalazinone 3-oxide
C8H6N2O2            (Mass of molecular ion:    162)

   Source Temperature: 170 °C
   Sample Temperature: 180 °C
   Direct, 75 eV

      28.0       5.9
      37.0       1.2
      38.0       1.9
      39.0       4.9
      41.0       1.5
      43.0       1.1
      44.0       1.4
      50.0       6.3
      51.0       6.4
      52.0       2.6
      59.0       2.6
      61.0       1.4
      62.0       4.5
      63.0      11.0
      64.0       8.8
      65.0       1.9
      73.0       1.0
      74.0       2.3
      75.0       3.7
      76.0       6.8
      77.0      11.6
      78.0       2.1
      86.0       1.1
      87.0       1.2
      88.0       1.7
      89.0      18.3
      90.0       6.8
      91.0      13.9
      92.0       1.3
     101.0       5.3
     102.0       1.8
     103.0       1.8
     104.0       4.5
     105.0       8.8
     117.0       5.0
     118.0      13.5
     119.0       1.5
     128.0      26.7
     129.0       2.7
     132.0       1.0
     133.0       5.7
     134.0       1.4
     144.0       1.4
     145.0       1.3
     146.0      57.4
     147.0       6.3
     162.0     100.0
     163.0      10.2