Mass

MS-IW-5501          
trans-4-oxo-2-pentenoic acid
C5H6O3              (Mass of molecular ion:    114)

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

      15.0       5.0
      26.0       9.0
      27.0      15.0
      28.0      23.1
      29.0       3.4
      39.0       5.9
      40.0       3.7
      41.0       6.8
      42.0      12.5
      43.0      61.5
      44.0      18.1
      45.0      11.2
      50.0       5.0
      51.0       3.4
      52.0       3.1
      53.0      11.2
      54.0      10.6
      55.0       7.8
      57.0       4.6
      68.0       6.2
      69.0      10.9
      70.0       3.4
      71.0       6.8
      81.0      19.3
      82.0       4.3
      86.0       4.6
      96.0      16.8
      97.0       8.4
      99.0     100.0
     100.0       5.0
     114.0      36.2
     135.0       6.5