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异烟酸-N-氧化物

产品名称 异烟酸-N-氧化物

CAS号13602-12-5

分子式C6H5NO3

分子量139.11

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  • Mass

    MS-IW-0759          
    isonicotinic acid 1-oxide
    C6H5NO3             (Mass of molecular ion:    139)
    

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

          18.0       5.5
          28.0       2.2
          38.0       2.5
          39.0       8.9
          40.0       1.3
          41.0       1.1
          45.0       1.3
          50.0       3.2
          51.0       5.2
          52.0       2.1
          53.0       1.9
          54.0       1.0
          55.0       1.9
          55.5       1.5
          61.0       1.3
          62.0       1.3
          63.0       3.8
          64.0       1.5
          65.0       1.7
          66.0       2.9
          67.0       1.3
          77.0       1.3
          78.0       4.0
          84.0       1.6
          92.0       1.1
          93.0       1.2
          94.0       8.5
          95.0       5.7
         105.0       1.9
         106.0       4.3
         111.0       1.3
         122.0      18.0
         123.0      14.1
         124.0       1.1
         139.0     100.0
         140.0       7.5
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C6 H5 N O3 0.035 g : 0.5 ml DMSO-d6
    isonicotinic acid 1-oxide
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13.6 B 8.325 C 7.854

         Hz     ppm     Int.
    

       3333.47   8.341    126
       3331.12   8.336    959
       3328.98   8.330    366
       3325.78   8.322    390
       3323.86   8.317   1000
       3321.29   8.311    132
       3145.22   7.870    136
       3142.65   7.864    986
       3140.73   7.859    374
       3137.52   7.851    381
       3135.39   7.846    891
       3133.04   7.840    120
    

in DMSO-d6



KBr disc



nujol mull