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1196-57-2

2-Quinoxalinone

Product Name 2-Quinoxalinone

CAS1196-57-2

MFC8H6N2O

MW146.15

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  • 1196-57-2_ms
    Mass

    MS-NW-8283          
    2(1H)-quinoxalinone
    C8H6N2O             (Mass of molecular ion:    146)
    

       Source Temperature: 160 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          17.0       3.0
          18.0      14.4
          26.0       1.1
          27.0       1.7
          28.0       5.4
          37.0       5.5
          38.0       9.0
          39.0      10.1
          40.0       2.4
          41.0       4.8
          44.0       1.7
          45.0       3.1
          50.0       8.3
          51.0       5.0
          52.0       9.0
          59.0       6.3
          61.0       3.0
          62.0       6.6
          63.0      22.7
          64.0      24.3
          65.0       5.9
          74.0       2.3
          75.0       2.8
          76.0       5.2
          77.0       1.2
          78.0       1.7
          88.0       1.3
          89.0       1.2
          90.0      13.8
          91.0      46.3
          92.0       4.6
         117.0       4.3
         118.0     100.0
         119.0       9.0
         145.0       1.0
         146.0      87.2
         147.0       8.6
    

400 MHz in DMSO-d6

90 MHz in DMSO-d6

  • 1196-57-2_1hnmr_2

    1H NMR 399.65 MHz
    C8 H6 N2 O 0.043 g : 0.5 ml DMSO-d6
    2(1H)-quinoxalinone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.47 B 8.209 C 7.799 D 7.575 E 7.35 F 7.33

         Hz     ppm     Int.
    

       4982.68  12.468    121
       3281.06   8.210   1000
       3121.52   7.811    279
       3120.24   7.808    335
       3113.46   7.791    300
       3112.37   7.788    353
       3036.35   7.598    144
       3034.89   7.594    171
       3027.74   7.576    326
       3026.83   7.574    273
       3020.78   7.559    197
       3019.50   7.556    222
       2940.74   7.359    436
       2936.34   7.348    287
       2934.88   7.344    260
       2933.41   7.340    333
       2932.50   7.338    384
       2929.02   7.329    304
       2928.28   7.328    346
       2927.00   7.324    288
       2921.14   7.310    181
       2919.86   7.307    179
    

  • 1196-57-2_1hnmr

    1H NMR 89.56 MHz
    C8 H6 N2 O 0.036 g : 0.5 ml DMSO-d6
    2(1H)-quinoxalinone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.4 B 8.197 C 7.790 D 7.562 E 7.35 F 7.31 E AND F WERE CONFIRMED BY LAOCN PROGRAM.

         Hz     ppm     Int.
    

       1114.60  12.446     86
        739.05   8.253     40
        734.18   8.198   1000
        730.33   8.155     41
        729.91   8.150     40
        729.14   8.142     41
        703.59   7.857    169
        701.45   7.833    224
        697.44   7.788     96
        694.79   7.758    269
        693.76   7.747    324
        691.03   7.716     42
        689.49   7.699     39
        687.61   7.678     90
        685.90   7.659     91
        684.19   7.640     40
        682.57   7.622     65
        679.49   7.587    180
        677.61   7.566    210
        675.82   7.547     53
        672.57   7.510    308
        670.95   7.492    248
        668.73   7.467     46
        668.30   7.463     45
        667.27   7.451     41
        662.06   7.393    586
        661.12   7.382    548
        659.75   7.367    368
        656.08   7.326    255
        654.97   7.314    315
        653.26   7.295    309
        651.98   7.280    200
        648.22   7.238    138
        646.51   7.219    116
    

in DMSO-d6

  • 1196-57-2_13cnmr

KBr disc

  • 1196-57-2_ir1_2

nujol mull

  • 1196-57-2_ir2