Phenobarbital

Mass

MS-IW-3283          
5-ethyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione
C12H12N2O3          (Mass of molecular ion:    232)

   Source Temperature: 150 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      27.0       1.0
      28.0       1.0
      29.0       1.1
      39.0       2.8
      50.0       1.4
      51.0       5.3
      51.5       4.1
      52.0       1.3
      57.5       2.0
      58.0       4.8
      62.0       1.0
      63.0       3.0
      65.0       1.8
      65.5       2.0
      70.0       1.3
      73.0       1.4
      76.0       1.3
      77.0       6.8
      78.0       3.6
      89.0       4.4
      90.0       2.6
      91.0       6.0
      92.0       1.0
     102.0       1.7
     103.0       7.2
     104.0       5.4
     105.0       3.6
     115.0       8.0
     116.0       2.9
     117.0      17.7
     118.0      11.7
     119.0       1.2
     131.0       1.3
     132.0       2.8
     133.0       3.9
     143.0       3.5
     144.0       3.9
     146.0      11.4
     147.0       1.5
     160.0       4.4
     161.0      14.7
     162.0       2.0
     172.0       1.0
     174.0       5.5
     175.0       1.1
     176.0       2.1
     187.0       1.3
     189.0       4.0
     203.0       2.4
     204.0     100.0
     205.0      11.8
     206.0       1.2
     215.0       1.4
     217.0       3.7
     232.0      33.0
     233.0       4.6