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6-甲基-2-吡啶甲酸

产品名称 6-甲基-2-吡啶甲酸

CAS号934-60-1

分子式C7H7NO2

分子量137.14

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  • Mass

    MS-NW-8677          
    6-methyl-2-pyridinecarboxylic acid
    C7H7NO2             (Mass of molecular ion:    137)
    

       Source Temperature: 260 °C
       Sample Temperature: 140 °C
       Reservoir, 75 eV
    

          15.0       1.2
          17.0      13.4
          18.0      65.9
          26.0       1.9
          27.0       4.1
          28.0       3.4
          37.0       3.4
          38.0       6.6
          39.0      28.8
          40.0       6.2
          41.0       4.9
          42.0       2.6
          44.0       7.0
          45.0       3.2
          45.5       1.5
          46.0       1.4
          49.0       1.1
          50.0       6.1
          51.0       8.8
          52.0       6.5
          53.0       4.3
          54.0       2.0
          61.0       1.4
          62.0       2.4
          63.0       7.8
          64.0      10.3
          65.0      45.9
          66.0      45.2
          67.0       6.1
          76.0       1.2
          78.0       7.2
          79.0       1.1
          91.0       9.7
          92.0      37.6
          93.0     100.0
          94.0       7.3
         120.0       1.2
         137.0       2.8
         138.0       1.1
    

90 MHz at 50C

400 MHz in DMSO-d6

400 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C7 H7 N O2 0.041 g : 0.5 ml CDCl3 at 50C
    6-methyl-2-pyridinecarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.022 B 7.823 C 7.427 D 6.0 E 2.622 400MHZ : HSP-43-620 INCLUDES H2O.

         Hz     ppm     Int.
    

        723.94   8.084     47
        715.75   7.992     90
        710.38   7.932     28
        709.50   7.923     30
        709.00   7.917     35
        707.63   7.902    146
        700.06   7.817    230
        692.50   7.733    108
        668.38   7.463     82
        660.44   7.375     60
        541.25   6.044     79
        234.94   2.624   1000
    


  • 1H NMR 399.65 MHz
    C7 H7 N O2 0.041 g : 0.5 ml DMSO-d6
    6-methyl-2-pyridinecarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.88 B 7.86 C 7.493 E 2.550

         Hz     ppm     Int.
    

       3155.88   7.897     24
       3148.19   7.878    207
       3146.12   7.873    165
       3142.82   7.864    435
       3138.31   7.853     30
       2998.66   7.504     86
       2995.48   7.496     99
       2994.02   7.492     74
       2993.16   7.490     69
       2989.87   7.482     79
       1019.04   2.550   1000
    


  • 1H NMR 399.65 MHz
    C7 H7 N O2 0.016 g : 0.5 ml CDCl3
    6-methyl-2-pyridinecarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.049 B 7.846 C 7.441 E 2.633

         Hz     ppm     Int.
    

       3221.31   8.061     94
       3220.95   8.060     93
       3220.46   8.059     91
       3218.14   8.053     68
       3213.75   8.042    114
       3143.19   7.865    215
       3135.50   7.846    414
       3131.84   7.837     30
       3127.81   7.827    206
       2978.27   7.453    109
       2974.61   7.444     66
       2970.95   7.434    104
       2970.58   7.433    103
       1060.55   2.654     30
       1052.25   2.633   1000
       1042.97   2.610     46
       1042.60   2.609     43
    

in CDCl3



KBr disc



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