Mass

MS-IW-5578          
N-(2-bromo-3-methylbutyryl)-DL-valine ethyl ester
C12H22BrNO3         (Mass of molecular ion:    307)

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

      17.0       1.4
      18.0       7.3
      26.0       1.3
      27.0      10.0
      28.0      11.5
      29.0       9.8
      30.0       3.2
      31.0       1.4
      38.0       1.4
      39.0      13.8
      40.0       3.0
      41.0      24.3
      42.0       4.5
      43.0      13.5
      44.0       4.9
      45.0       2.8
      51.0       1.4
      52.0       1.6
      53.0       5.5
      54.0       5.9
      55.0      38.8
      56.0      11.0
      57.0       8.7
      58.0       1.2
      59.0       3.4
      66.0       1.6
      67.0       1.7
      68.0       3.7
      69.0      15.8
      70.0       5.0
      71.0       3.5
      72.0     100.0
      73.0       6.2
      74.0       9.2
      75.0       1.1
      79.0       3.2
      80.0       9.6
      81.0       3.6
      82.0      11.9
      83.0      47.9
      84.0       8.8
      85.0       2.9
      93.0       1.2
      94.0       1.4
      96.0       1.0
      97.0       1.3
      98.0       9.6
      99.0       1.3
     100.0       4.9
     101.0       4.0
     102.0       2.8
     110.0       1.3
     112.0       5.3
     116.0      11.2
     118.0       1.9
     120.0       1.1
     121.0       1.0
     128.0       1.7
     135.0       9.2
     137.0       9.7
     138.0       1.9
     139.0       2.7
     140.0      17.7
     141.0       2.2
     144.0       2.4
     153.0       1.1
     154.0       3.7
     156.0       9.2
     157.0       1.4
     158.0      26.9
     159.0       2.7
     163.0       3.7
     165.0       3.4
     166.0       1.2
     180.0      20.0
     181.0       2.3
     182.0      20.2
     183.0       1.2
     191.0       2.9
     192.0       1.2
     193.0       2.9
     194.0       1.0
     200.0       8.6
     201.0       1.0
     219.0       3.8
     221.0       3.7
     234.0      38.2
     235.0       4.4
     236.0      37.5
     237.0      17.5
     238.0       1.7
     239.0      13.7
     240.0       1.2
     279.0       1.0
     281.0       1.0