2,5-Thiophenedicarboxylic acid

Mass

MS2006-03315WA      
2,5-thiophenedicarboxylic acid
C6H4O4S             (Mass of molecular ion:    172)

   Source Temperature: 250 °C
   Sample Temperature:  60 °C
   Direct, 70 eV

      37.0       3.2
      38.0       5.2
      39.0      15.5
      44.0       1.3
      45.0       9.1
      49.0       1.4
      50.0       1.3
      53.0       4.8
      55.0       1.9
      57.0       8.2
      58.0       2.5
      69.0       4.9
      71.0       3.1
      80.0       1.1
      81.0       9.4
      82.0       8.9
      83.0       9.8
      84.0       2.2
      85.0       1.8
     109.0       1.4
     111.0      21.4
     112.0       1.4
     113.0       1.0
     127.0       5.7
     128.0       2.3
     144.0       3.4
     155.0     100.0
     156.0       7.4
     157.0       5.2
     172.0      94.8
     173.0       7.1
     174.0       5.2