3-Methyl-2-thiophenecarboxylic acid

Mass

MS-NW-7819          
3-methyl-2-thenoic acid
C6H6O2S             (Mass of molecular ion:    142)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      27.0       4.6
      37.0       1.4
      38.0       2.1
      39.0       5.3
      44.0       1.0
      45.0      21.7
      47.0       1.6
      48.0       2.2
      50.0       3.1
      51.0       4.6
      52.0       1.7
      53.0      17.5
      57.0       2.1
      58.0       2.7
      62.0       5.0
      63.0       1.6
      69.0       9.4
      70.0       7.1
      71.0       3.2
      81.0       1.3
      82.0       1.4
      85.0       3.0
      93.0       1.2
      95.0       2.7
      96.0      23.0
      97.0      66.5
      98.0       5.7
      99.0       3.2
     113.0       1.0
     124.0      33.4
     125.0      43.2
     126.0       4.8
     127.0       2.3
     141.0      10.7
     142.0     100.0
     143.0       8.5
     144.0       5.2

Assign. Shift(ppm) A 12.3 B 7.476 C 6.945 D 2.574

     Hz     ppm     Int.

   1099.56  12.278     43
    674.62   7.533     33
    672.40   7.508    305
    667.44   7.453    363
    624.38   6.972    345
    623.95   6.967    310
    622.07   6.946     39
    621.73   6.943     39
    619.42   6.917    273
    230.63   2.576   1000