3-Thiophenezoic acid

Mass

MS-NW-3448          
3-thiophenecarboxylic acid
C5H4O2S             (Mass of molecular ion:    128)

   Source Temperature: 230 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      26.0       1.0
      28.0       1.2
      37.0       3.2
      38.0       5.1
      39.0      28.6
      40.0       1.2
      44.0       2.4
      45.0      15.1
      49.0       1.5
      50.0       4.5
      51.0       1.3
      53.0       1.4
      55.0       1.0
      55.5       1.4
      56.0       1.0
      57.0       5.5
      58.0       4.4
      69.0       1.3
      71.0       1.1
      81.0       4.0
      82.0       5.2
      83.0      17.3
      84.0       3.0
      85.0       1.0
     100.0       1.0
     111.0     100.0
     112.0       6.4
     113.0       5.0
     128.0      80.6
     129.0       5.4
     130.0       4.2

Assign. Shift(ppm) A 12.08 B 8.243 C 7.574 D 7.340 J(B,D)=3.0HZ. J(B,C)=1.2HZ J(C,D)=5.1HZ.

     Hz     ppm     Int.

   1081.62  12.078    118
    740.50   8.269    750
    739.31   8.255    855
    737.51   8.235    843
    736.23   8.221    830
    682.06   7.616    634
    680.86   7.603    627
    677.01   7.560    942
    675.73   7.546    978
    660.95   7.380   1000
    657.87   7.346    883
    655.82   7.323    662
    652.83   7.290    608