2-Thiopheneglyoxylic acid(4075-59-6) ¹³C NMR

Product Name2-Thiopheneglyoxylic acid

CAS 4075-59-6

Molecular FormulaC6H4O3S

Molecular Weight156.16

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Mass

MS-NW-9903          
(2-thienyl)glyoxylic acid
C6H4O3S             (Mass of molecular ion:    156)

   Source Temperature: 260 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      18.0       1.1
      28.0       2.5
      37.0       1.1
      38.0       1.8
      39.0      24.2
      44.0       3.5
      45.0       4.3
      50.0       1.0
      52.0       1.2
      53.0       1.2
      57.0       3.6
      58.0       1.5
      79.0       1.6
      81.0       1.3
      82.0       1.6
      83.0      11.5
      84.0       2.0
     111.0     100.0
     112.0       7.7
     113.0       5.0
     156.0       6.8

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₆ H₄ O₃ S	0.041 g : 0.5 ml DMSO-d₆
(2-thienyl)glyoxylic acid

    Assign.     Shift(ppm)

      A            10.
      B             8.229
      C             8.092
      D             7.339

     Hz     ppm     Int.

   3291.78   8.237    893
   3290.71   8.234    954
   3286.90   8.225    942
   3285.83   8.222    933
   3279.27   8.206     34
   3236.69   8.099    939
   3235.63   8.097    977
   3232.88   8.090   1000
   3231.81   8.087    936
   2937.62   7.351    777
   2933.65   7.341    954
   2932.74   7.339    963
   2928.77   7.329    740

in DMSO-d6