9-METHYL-3,4-DIHYDRO-2H-PYRIDO[1,2-A]PYRIMIDIN-2-ONE(61751-44-8) MS

Mass

MS-IW-4315          
9-methyl-3,4-dihydro-2H-pyrido(1,2-a)pyrimidin-2-one
C9H10N2O            (Mass of molecular ion:    162)

   Source Temperature: 200 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      18.0       3.5
      26.0       1.8
      27.0       8.3
      28.0       4.1
      38.0       1.4
      39.0       8.1
      40.0       1.6
      41.0       3.0
      42.0       1.3
      50.0       1.5
      51.0       4.6
      52.0       6.5
      53.0       6.6
      54.0       2.3
      55.0      17.4
      56.0       1.5
      63.0       2.8
      64.0       7.8
      65.0      13.5
      66.0       5.6
      67.0       2.4
      72.0       1.8
      77.0       1.4
      78.0       4.7
      79.0      26.9
      80.0      12.8
      81.0       6.2
      90.0       1.4
      91.0      40.3
      92.0      17.3
      93.0       4.2
     105.0      15.2
     106.0      26.4
     107.0      14.4
     108.0      29.1
     109.0       3.3
     116.0       1.0
     117.0       1.7
     118.0       3.8
     119.0       9.2
     120.0       1.6
     131.0       1.2
     132.0       1.5
     133.0      42.9
     134.0     100.0
     135.0      13.2
     143.0       2.7
     144.0       4.2
     145.0       2.2
     146.0       1.3
     147.0       6.0
     161.0      21.8
     162.0      78.6
     163.0      12.1
     164.0       1.1