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2-甲基喹喔啉

产品名称 2-甲基喹喔啉

CAS号7251-61-8

分子式C9H8N2

分子量144.17

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  • 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
    ChemicalStructure
        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
    ChemicalStructure
        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