4-Methyl-2-thiophenecarboxylic acid

Mass

MS2003-01986WA      
4-methyl-2-thenoic acid
C6H6O2S             (Mass of molecular ion:    142)

   Source Temperature: 250 °C
   Sample Temperature:  20 °C
   Direct, 70 eV

      18.0       1.0
      27.0       2.2
      37.0       1.0
      38.0       1.7
      39.0       4.4
      45.0      13.5
      50.0       2.9
      51.0       3.8
      52.0       1.3
      53.0      11.7
      57.0       3.4
      58.0       1.8
      62.0       2.3
      63.0       1.2
      69.0       6.7
      70.0       2.5
      71.0       3.3
      77.0       1.4
      81.0       1.4
      82.0       2.0
      93.0       1.4
      95.0       2.5
      96.0       4.5
      97.0      65.2
      98.0       4.9
      99.0       3.1
     105.0       2.4
     113.0       1.7
     122.0       2.2
     124.0       1.7
     125.0      64.3
     126.0       4.8
     127.0       3.2
     141.0      31.9
     142.0     100.0
     143.0       8.8
     144.0       5.0