Methyl 5-Acetylthiophene-2-carboxylate(4101-81-9) IR1

Mass

MS2003-01490WA      
methyl 5-acetyl-2-thiophenecarboxylate
C8H8O3S             (Mass of molecular ion:    184)

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

      15.0       4.4
      28.0       3.4
      37.0       1.1
      38.0       3.2
      39.0       5.4
      43.0      13.1
      44.0       1.4
      45.0       3.4
      50.0       1.0
      53.0       4.2
      57.0       2.4
      59.0       2.7
      69.0       4.0
      70.0       1.5
      81.0       4.6
      82.0       7.8
      83.0       3.3
      84.0       3.3
      98.0       2.7
     110.0       3.5
     111.0      18.9
     112.0       1.5
     113.0       1.5
     141.0       1.8
     153.0      15.0
     154.0       1.4
     155.0       1.0
     169.0     100.0
     170.0       8.3
     171.0       5.2
     184.0      32.9
     185.0       3.2
     186.0       1.8