1,3-Dimethylbarbituric acid

Mass

MS-IW-9155          
1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione
C6H8N2O3            (Mass of molecular ion:    156)

   Source Temperature: 150 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      14.0       1.2
      15.0       4.4
      27.0       1.2
      28.0      11.2
      29.0       3.0
      30.0      18.3
      31.0       2.9
      41.0       3.5
      42.0     100.0
      43.0      20.7
      44.0       2.0
      55.0       1.5
      56.0      12.7
      57.0       1.9
      58.0      13.7
      69.0       7.4
      70.0       5.8
      71.0      27.6
      72.0       1.5
      87.0       1.1
      98.0       3.3
      99.0      10.9
     100.0       2.4
     128.0       6.5
     129.0       5.3
     156.0      71.6
     157.0       7.0

Parameter ppm Hz D(A) 3.689 D(B) 3.306

     Hz     ppm     Int.

   1106.70   3.689    333
    991.80   3.306   1000