2-methylphthalazin-1-one(6091-81-2) IR2

Mass

MS-IW-6604          
2-methyl-1(2H)-phthalazinone
C9H8N2O             (Mass of molecular ion:    160)

   Source Temperature: 130 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      15.0       1.0
      28.0       1.8
      30.0       2.2
      38.0       1.2
      39.0       4.2
      43.0       5.5
      44.5       2.3
      50.0       5.6
      51.0       3.3
      62.0       3.2
      63.0       9.4
      64.0       1.0
      66.0       1.1
      74.0       2.5
      75.0       3.7
      76.0       6.3
      77.0       7.0
      78.0       1.6
      80.0       2.8
      88.0       1.1
      89.0      26.0
      90.0       3.2
     102.0       3.1
     103.0       6.2
     104.0      18.0
     105.0       6.3
     130.0       4.5
     131.0       6.8
     132.0     100.0
     133.0      10.2
     159.0       4.3
     160.0      97.2
     161.0      10.8