5-METHYLOROTIC ACID(3993-73-5) IR2

Mass

MS-IW-8761          
5-methyl-2,6-dioxo-1,2,3,6-tetrahydro-4-pyrimidinecarboxylic acid
C6H6N2O4            (Mass of molecular ion:    170)

   Source Temperature: 210 °C
   Sample Temperature: 310 °C
   Direct, 75 eV

      15.0       1.2
      16.0       2.3
      17.0       1.2
      18.0       6.2
      26.0       5.3
      27.0      13.8
      28.0      28.0
      29.0       3.0
      38.0       1.4
      39.0       3.1
      40.0       2.9
      41.0       2.1
      42.0       5.3
      43.0      23.5
      44.0     100.0
      45.0       1.7
      51.0       2.4
      52.0       5.4
      53.0       8.0
      54.0      13.4
      55.0      21.0
      56.0       3.9
      70.0       1.0
      79.0       1.0
      80.0       1.2
      81.0       3.0
      82.0       4.0
      83.0       8.7
     107.0       1.3
     108.0       5.9
     126.0      36.1
     127.0       2.4