2-METHYL-4-OXO-4-PHENYLBUTYRIC ACID(1771-65-9) MS

Mass

MS-IW-5706          
3-benzoyl-2-methylpropionic acid
C11H12O3            (Mass of molecular ion:    192)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      17.0       1.0
      18.0       5.3
      39.0       1.5
      41.0       1.8
      50.0       1.7
      51.0       6.7
      69.0       2.2
      76.0       1.2
      77.0      29.6
      78.0       2.9
      87.0       1.0
     105.0     100.0
     106.0       8.1
     115.0       1.0
     117.0       1.7
     120.0       5.7
     131.0       1.6
     145.0       3.3
     146.0       2.5
     159.0       1.6
     174.0      10.3
     175.0       1.6
     192.0      13.0
     193.0       1.7