LEUCOPTERIN(492-11-5) MS

Mass

MS-IW-6911          
2-amino-5,8-dihydro-4,6,7(1H)-pteridinetrione
C6H5N5O3            (Mass of molecular ion:    195)

   Source Temperature: 200 °C
   Sample Temperature: 280 °C
   Direct, 75 eV

      16.0       1.3
      17.0       9.1
      18.0      46.0
      26.0       3.6
      27.0      23.6
      28.0      50.4
      29.0       2.7
      38.0       1.7
      39.0       2.2
      40.0       1.5
      41.0       3.2
      42.0      10.2
      43.0      46.2
      44.0      21.1
      45.0       3.3
      51.0       1.0
      52.0       6.9
      53.0       8.8
      54.0      12.3
      55.0       4.5
      56.0       1.3
      57.0       1.4
      66.0       2.3
      67.0       2.7
      68.0       7.1
      69.0      23.5
      69.5       1.2
      70.0       9.3
      71.0       1.4
      79.0       1.3
      80.0       2.2
      81.0       1.8
      82.0       2.4
      83.5       3.3
      84.0      10.4
      85.0       1.4
      94.0       1.4
      95.0       2.5
      96.0       4.7
      97.0      18.6
      98.0       3.2
     108.0       1.9
     109.0       2.0
     111.0       5.8
     112.0       5.1
     122.0       2.2
     123.0       2.3
     124.0       4.8
     125.0      20.6
     126.0       3.7
     137.0       1.8
     138.0       1.1
     139.0       4.8
     150.0       2.1
     152.0       1.1
     166.0       1.9
     167.0     100.0
     168.0       7.6
     180.0       3.1
     194.0       1.6
     195.0      89.7
     196.0       8.1
     197.0       1.0