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2-Methylquinoxaline

Product Name 2-Methylquinoxaline

CAS7251-61-8

MFC9H8N2

MW144.17

¹³CNMR

Mass

MS-NW-0151          
2-methylquinoxaline
C9H8N2              (Mass of molecular ion:    144)

   Source Temperature: 220 °C
   Sample Temperature:  75 °C
   Reservoir, 75 eV

      18.0       1.8
      26.0       1.4
      27.0       2.0
      28.0       2.5
      37.0       2.2
      38.0       3.8
      39.0       8.5
      40.0       1.1
      42.0       1.5
      50.0      21.4
      51.0       6.4
      52.0       3.1
      58.5       5.5
      61.0       1.0
      62.0       1.8
      63.0       4.1
      64.0       2.8
      72.0       4.2
      74.0       5.2
      75.0      10.2
      76.0      37.7
      77.0      20.9
      78.0       2.0
      89.0       3.8
      90.0       6.8
      91.0       1.1
     102.0       5.3
     103.0       7.6
     116.0       4.3
     117.0      80.4
     118.0       7.9
     129.0       1.1
     143.0       2.6
     144.0     100.0
     145.0      10.9

90 MHz in CDCl3

400 MHz in CDCl3

¹H NMR	89.56 MHz
C₉ H₈ N₂	0.022 g : 0.5 ml CDCl₃
2-methylquinoxaline

    Assign.     Shift(ppm)

      A             8.74
      B          8.18 to 7.88
      C          7.88 to 7.55
      D             2.775

     Hz     ppm     Int.

    782.75   8.740    250
    728.13   8.131     47
    725.69   8.103     33
    723.19   8.075     87
    721.38   8.055     57
    718.94   8.028    108
    715.88   7.994     55
    713.94   7.972     97
    700.00   7.816     36
    695.94   7.771    131
    694.88   7.759    119
    693.25   7.741     81
    690.75   7.713     94
    690.06   7.706     86
    687.81   7.680     63
    685.56   7.655     99
    248.56   2.776   1000

¹H NMR	399.65 MHz
C₉ H₈ N₂	0.022 g : 0.5 ml CDCl₃
2-methylquinoxaline

    Assign.     Shift(ppm)

      A             8.749
      B     *1      8.076
      C     *1      8.020
      D     *2      7.74
      E     *2      7.72
      F             2.781

     Hz     ppm     Int.

   3496.58   8.750    249
   3232.42   8.089     65
   3231.08   8.085     55
   3230.22   8.083     51
   3224.49   8.069     92
   3222.66   8.064     75
   3210.94   8.035     64
   3210.45   8.034     62
   3208.98   8.030     89
   3203.13   8.015     59
   3202.15   8.013     67
   3201.17   8.010     78
   3104.86   7.769     35
   3103.15   7.765     41
   3097.90   7.752     84
   3096.19   7.748     76
   3094.97   7.745     38
   3089.97   7.732     90
   3088.01   7.727    133
   3086.30   7.723     89
   3081.18   7.710     39
   3080.08   7.707     67
   3078.49   7.703     68
   3073.12   7.690     33
   1111.57   2.782   1000

in CDCl3

liquid film

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