Mass

MS-IW-7929          
2,3-dimethyl-1-phenyl-4-(4-quinolyl)-3-pyrazolin-5-one
C20H17N3O           (Mass of molecular ion:    315)

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

      28.0       1.4
      51.0       2.1
      56.0      10.4
      77.0      15.7
      78.0       1.2
      91.0       1.0
      93.0       1.9
     105.0       1.6
     127.0       1.6
     128.0       1.5
     139.0       2.8
     140.0       2.0
     154.0       7.4
     155.0       2.2
     157.5       5.0
     158.0       1.1
     166.0       9.1
     167.0       7.3
     168.0       2.7
     169.0       1.4
     180.0       1.0
     181.0       2.1
     182.0       4.9
     183.0       1.5
     193.0       1.3
     194.0       3.8
     195.0       9.2
     196.0       2.4
     209.0       1.3
     221.0       1.0
     222.0       1.1
     223.0      10.6
     224.0       1.9
     245.0       1.3
     255.0       1.3
     256.0       1.2
     257.0       1.1
     270.0       1.0
     271.0       1.2
     272.0       1.5
     283.0       1.5
     284.0       1.5
     285.0       1.5
     286.0       3.2
     287.0       1.2
     298.0       3.7
     299.0       3.7
     300.0       3.8
     314.0      84.1
     315.0     100.0
     316.0      21.4
     317.0       2.6