Mass

MS-IW-3015          
2-amino-4-hydroxy-8-methyl-7-oxo-7,8-dihydro-6-pteridinecarboxylic acid
C8H7N5O4            (Mass of molecular ion:    237)

   Source Temperature: 170 °C
   Sample Temperature: 240 °C
   Direct, 75 eV

      15.0       2.8
      16.0       1.2
      17.0       3.0
      18.0      12.7
      27.0       1.4
      28.0      11.6
      29.0       1.3
      30.0       3.1
      38.0       2.4
      39.0       2.6
      40.0       3.4
      41.0       3.4
      42.0      20.0
      43.0      14.9
      44.0      46.7
      52.0       1.8
      53.0       5.8
      54.0       3.7
      55.0       3.2
      56.0       1.9
      57.0       5.2
      64.0       1.0
      65.0       2.5
      66.0       2.2
      67.0       6.0
      68.0       6.5
      69.0       8.0
      70.0       3.0
      79.0       1.1
      80.0       1.9
      81.0       3.7
      82.0       5.1
      82.5       3.6
      83.0       2.7
      93.0       1.7
      94.0       2.5
      95.0       3.9
      96.0       2.8
     109.0       2.6
     110.0       1.2
     111.0       2.6
     119.0       1.3
     120.0       2.3
     121.0       1.6
     122.0       1.4
     123.0      16.6
     124.0       6.9
     125.0       1.4
     136.0       1.9
     137.0       2.6
     138.0       5.2
     147.0       3.6
     148.0      14.5
     149.0       5.9
     152.0       3.4
     164.0      38.4
     165.0       9.6
     193.0     100.0
     194.0       9.5