Mass

MS-IW-4835          
2-phenyl-3,1-benzoxazin-4-one
C14H9NO2            (Mass of molecular ion:    223)

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

      39.0       1.7
      50.0       5.9
      51.0       8.8
      63.0       2.0
      64.0       1.4
      74.0       1.5
      75.0       2.0
      76.0       5.7
      77.0      41.6
      78.0       2.8
      83.5       1.2
      90.0       7.0
      97.5       2.8
     105.0      62.7
     106.0       4.9
     111.5       2.1
     146.0      16.5
     147.0       1.5
     152.0       1.1
     167.0       1.3
     178.0       2.7
     179.0      41.7
     180.0       6.5
     195.0       3.2
     222.0       3.1
     223.0     100.0
     224.0      15.8
     225.0       1.6