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2,3-吡嗪二甲酰胺

产品名称 2,3-吡嗪二甲酰胺

CAS号6164-78-9

分子式C6H6N4O2

分子量166.14

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  • Mass

    MS-NW-6858          
    2,3-pyrazinedicarboxamide
    C6H6N4O2            (Mass of molecular ion:    166)
    

       Source Temperature: 200 °C
       Sample Temperature: 180 °C
       Direct, 75 eV
    

          16.0       3.7
          17.0       3.7
          18.0       5.5
          25.0       1.1
          26.0      16.9
          27.0       2.9
          28.0      17.9
          29.0       1.0
          38.0       3.0
          39.0       3.2
          40.0       3.2
          41.0       2.0
          42.0       1.0
          43.0       2.8
          44.0      36.7
          45.0       2.3
          50.0       2.2
          51.0      14.9
          52.0      41.5
          53.0      40.2
          54.0       2.7
          66.0       1.0
          67.0       1.8
          68.0       3.9
          69.0       1.6
          76.0       1.7
          77.0       4.2
          78.0      18.5
          79.0      26.1
          80.0      75.9
          81.0       4.1
          94.0       1.3
          96.0       2.7
         105.0       3.0
         106.0       8.9
         107.0       2.1
         122.0       1.6
         123.0     100.0
         124.0       7.0
         148.0       2.2
         149.0       9.8
         150.0       2.6
         166.0       2.6
    

400 MHz in DMSO-d6

90 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C6 H6 N4 O2 0.040 g : 0.5 ml DMSO-d6
    2,3-pyrazinedicarboxamide
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.754 B *1 8.04 C *1 7.68

         Hz     ppm     Int.
    

       3498.90   8.755   1000
       3213.01   8.040    160
       3067.87   7.677    157
    


  • 1H NMR 89.56 MHz
    C6 H6 N4 O2 0.047 g : 0.5 ml DMSO-d6
    2,3-pyrazinedicarboxamide
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.743 B *1 7.98 C *1 7.64

         Hz     ppm     Int.
    

        783.06   8.744   1000
        715.06   7.985     66
        683.63   7.634     65
    

in DMSO-d6



KBr disc



nujol mull



4880 A,200 M,powder