2-phenyl-5-pyridin-2-yl-4H-pyrazol-3-one(21683-60-3) IR1

Mass

MS-IW-0442          
1-phenyl-3-(2-pyridyl)-5-pyrazolone
C14H11N3O           (Mass of molecular ion:    237)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      27.0       1.1
      39.0       1.5
      41.0       1.4
      50.0       1.5
      51.0       7.4
      52.0       1.8
      57.0       1.5
      63.0       1.7
      64.0       4.5
      65.0       1.7
      76.0       1.5
      77.0      28.8
      78.0      12.8
      79.0       2.3
      91.0      10.8
      92.0       1.1
     103.0       1.5
     104.0      17.1
     105.0      19.5
     106.0       1.7
     118.5       1.6
     132.0       3.2
     133.0       4.0
     180.0       5.6
     181.0       1.6
     195.0       1.1
     208.0       8.2
     209.0       2.7
     220.0       1.0
     236.0      12.1
     237.0     100.0
     238.0      16.7
     239.0       1.6
     248.0       1.5
     249.0       1.4