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4075-59-6

2-Thiopheneglyoxylic acid

Product Name 2-Thiopheneglyoxylic acid

CAS4075-59-6

MFC6H4O3S

MW156.16

  • 4075-59-6_ms_1
    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

  • 4075-59-6_1hnmr_1

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

  • 4075-59-6_13cnmr_1

KBr disc

  • 4075-59-6_ir1_2

nujol mull

  • 4075-59-6_ir2_1