4-Hydroxypteridine(700-47-0) IR2

Mass

MS-IW-6904          
4(1H)-pteridinone
C6H4N4O             (Mass of molecular ion:    148)

   Source Temperature: 190 °C
   Sample Temperature: 210 °C
   Direct, 75 eV

      17.0       1.3
      18.0       7.0
      26.0       2.0
      27.0       1.6
      28.0      12.1
      38.0       2.4
      39.0       3.0
      40.0       2.9
      41.0       1.4
      51.0       2.3
      52.0       2.5
      53.0       3.8
      65.0       1.7
      66.0      11.9
      67.0      10.6
      68.0       1.7
      74.0       1.4
      77.0       1.4
      78.0       3.7
      92.0       1.2
      93.0      11.9
      94.0       2.5
     105.0       1.3
     119.0       1.4
     120.0      13.1
     121.0      23.0
     122.0       1.5
     148.0     100.0
     149.0       8.8