2,4-dihydro-4,5-dimethyl-2-phenyl-3H-pyrazol-3-one(17900-68-4) IR2

Mass

MS-NW-8917          
3,4-dimethyl-1-phenyl-3-pyrazolin-5-one
C11H12N2O           (Mass of molecular ion:    188)

   Source Temperature: 190 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      18.0       4.7
      27.0       4.1
      28.0       3.3
      29.0       5.7
      38.0       1.0
      39.0       5.3
      41.0       2.0
      42.0       5.1
      43.0       2.0
      50.0       1.3
      51.0       7.8
      52.0       1.5
      53.0       2.0
      54.0       1.9
      55.0      23.1
      56.0       1.5
      63.0       2.7
      64.0       6.4
      65.0       2.9
      68.0       5.8
      69.0       1.9
      77.0      49.4
      78.0       8.0
      83.0      25.1
      84.0       1.4
      91.0      24.7
      92.0       4.9
      93.0       2.6
      94.0       1.2
      96.0       1.1
     104.0       2.5
     105.0      18.0
     106.0       2.8
     117.0       1.3
     118.0       3.8
     119.0       4.0
     132.0       2.6
     145.0       1.3
     159.0       5.5
     160.0       9.3
     161.0       1.0
     173.0       1.1
     186.0       1.4
     187.0       2.8
     188.0     100.0
     189.0      13.5
     190.0       1.0
     204.0       2.6