Mass

MS-IW-7928          
2,3-dimethyl-1-phenyl-4-(2-quinolyl)-3-pyrazolin-5-one
C20H17N3O           (Mass of molecular ion:    315)

   Source Temperature: 190 °C
   Sample Temperature: 170 °C
   Direct, 75 eV

      28.0       1.0
      51.0       2.2
      56.0       8.6
      63.0       1.0
      77.0      10.4
      91.0       1.1
     101.0       2.2
     105.0       2.1
     118.0       1.0
     127.0       1.0
     128.0       8.9
     129.0       2.7
     139.0       2.8
     140.0       4.7
     141.0       1.1
     142.0       1.0
     143.0       1.2
     143.5       1.4
     150.0       1.5
     154.0       7.0
     155.0       2.3
     156.0       1.0
     157.5       5.6
     158.0       1.4
     166.0      12.7
     167.0      22.0
     168.0      10.1
     169.0       3.7
     170.0       2.1
     180.0       1.0
     181.0       2.3
     182.0       2.0
     193.0       2.0
     194.0      38.9
     195.0      12.1
     196.0       3.1
     208.0       1.7
     209.0       1.0
     211.0       2.5
     223.0      80.5
     224.0      13.1
     225.0       1.2
     257.0       1.4
     272.0       1.4
     286.0       1.0
     287.0       1.1
     300.0       8.3
     301.0       1.8
     314.0      31.9
     315.0     100.0
     316.0      22.7
     317.0       2.8