N-METHYLBARBITURIC ACID

Mass

MS2001-00354WA      
1-methyl-2,4,6(1H,3H,5H)-pyrimidinetrione
C5H6N2O3            (Mass of molecular ion:    142)

   Source Temperature: 200 °C
   Sample Temperature:  50 °C
   Direct, 70 eV

      14.0       1.3
      15.0       2.0
      18.0       1.0
      27.0       1.5
      28.0       9.8
      29.0       2.2
      30.0      11.2
      40.0       1.4
      41.0       4.1
      42.0      67.8
      43.0       6.7
      44.0       3.0
      56.0       9.4
      57.0       2.7
      58.0       2.4
      69.0       8.6
      70.0       6.5
      71.0      19.7
      73.0       1.8
      85.0       3.0
      86.0       1.0
      98.0       1.0
      99.0       6.5
     114.0       6.4
     142.0     100.0
     143.0       6.3