5,6-Dimethyluracil(26305-13-5) ESR

Mass

MS-NW-1823          
5,6-dimethyl-2,4(1H,3H)-pyrimidinedione
C6H8N2O2            (Mass of molecular ion:    140)

   Source Temperature: 230 °C
   Sample Temperature: 200 °C
   Direct, 75 eV

      15.0       6.2
      18.0       1.0
      26.0       4.3
      27.0      13.4
      28.0      18.0
      30.0       7.9
      37.0       1.1
      38.0       1.8
      39.0       7.1
      40.0       3.4
      41.0      11.3
      42.0      67.4
      43.0       7.7
      44.0       3.7
      50.0       1.9
      51.0       3.2
      52.0       7.6
      53.0       5.9
      54.0      11.3
      55.0       8.2
      56.0       8.1
      67.0       1.4
      68.0       7.5
      69.0      63.4
      70.0       4.0
      71.0       3.3
      82.0       7.0
      95.0       1.7
      96.0       4.9
      97.0       7.2
      98.0       2.0
     111.0       4.2
     112.0       2.8
     139.0       1.2
     140.0     100.0
     141.0       8.1