Mass

MS2003-01542WA      
5-acetyl-2-thiophenecarbaldehyde
C7H6O2S             (Mass of molecular ion:    154)

   Source Temperature: 250 °C
   Sample Temperature: 270 °C
   Reservoir, 70 eV

      15.0       1.6
      28.0       1.2
      29.0       1.5
      37.0       1.6
      38.0       3.5
      39.0      19.1
      42.0       1.0
      43.0      16.2
      44.0       1.1
      45.0       4.5
      50.0       2.0
      51.0       1.4
      53.0       3.0
      57.0       4.6
      58.0       1.8
      69.0       3.3
      81.0       4.4
      82.0       4.9
      83.0      11.6
      84.0       1.9
      93.0       1.1
     111.0      27.8
     112.0       2.1
     113.0       1.3
     139.0     100.0
     140.0       7.2
     141.0       4.9
     153.0       2.1
     154.0      60.0
     155.0       5.2
     156.0       3.0