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吡啶-2,6-二甲酸

产品名称 吡啶-2,6-二甲酸

CAS号499-83-2

分子式C7H5NO4

分子量167.12

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  • Mass

    MS-NW-0465          
    2,6-pyridinedicarboxylic acid
    C7H5NO4             (Mass of molecular ion:    167)
    

       Source Temperature: 160 °C
       Sample Temperature: 130 °C
       Direct, 75 eV
    

          18.0       4.5
          26.0       2.9
          27.0       4.6
          28.0       3.2
          29.0       1.1
          37.0       1.7
          38.0       3.0
          38.5       1.3
          39.0       7.3
          40.0       1.2
          41.0       2.8
          43.0       2.8
          44.0       2.4
          45.0      11.7
          49.0       2.7
          50.0      16.2
          51.0      26.0
          52.0      13.5
          52.5       1.2
          53.0       3.8
          55.0       2.8
          56.0       1.0
          57.0       2.9
          60.0       2.2
          65.0       1.3
          66.0       4.8
          67.0       1.6
          68.0       1.2
          69.0       3.4
          70.0       1.2
          71.0       1.6
          73.0       2.6
          75.0       3.9
          76.0       8.1
          77.0      63.7
          78.0      17.7
          79.0       3.5
          81.0       1.7
          83.0       1.8
          85.0       1.1
          93.0       1.1
          94.0       6.7
          95.0       1.1
          97.0       1.5
         104.0       1.3
         105.0      77.0
         106.0       5.9
         122.0       8.8
         123.0     100.0
         124.0       7.2
         129.0       1.3
         150.0       1.6
    

400 MHz in DMSO-d6

90 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H5 N O4 0.038 g : 0.5 ml DMSO-d6
    2,6-pyridinedicarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.291 B 8.238

         Hz     ppm     Int.
    

       3319.34   8.306    351
       3317.38   8.301    455
       3310.79   8.285   1000
       3297.85   8.252    417
       3291.63   8.237    269
       3288.94   8.230    190
       3282.71   8.214    133
    


  • 1H NMR 89.56 MHz
    C7 H5 N O4 0.045 g : 0.5 ml DMSO-d6
    2,6-pyridinedicarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13.1 B 8.28 C 8.23 B AND C WERE CONFIRMED BY LAOCN PROGRAM.

         Hz     ppm     Int.
    

       1185.30  13.235     24
        750.68   8.382     26
        743.26   8.300    204
        740.33   8.267   1000
        736.76   8.227    162
    

in DMSO-d6



KBr disc



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