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2,3-二乙基-5-甲基吡嗪

产品名称 2,3-二乙基-5-甲基吡嗪

CAS号18138-04-0

分子式C9H14N2

分子量150.22

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  • Mass

    MS-NW-9251          
    2,3-diethyl-5-methylpyrazine
    C9H14N2             (Mass of molecular ion:    150)
    

       Source Temperature: 250 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          27.0       3.7
          28.0       8.7
          29.0       3.3
          38.0       1.3
          39.0      15.8
          40.0       5.8
          41.0       6.4
          42.0       3.4
          51.0       1.6
          52.0       2.5
          53.0       3.9
          54.0       4.9
          55.0       1.8
          56.0      33.9
          57.0       1.3
          65.0       2.1
          66.0       4.5
          67.0       5.6
          68.0       1.0
          77.0       1.0
          79.0       1.4
          80.0       1.6
          81.0       1.1
          93.0       1.8
          94.0       5.3
          95.0       2.2
         107.0       2.9
         108.0       1.3
         120.0       2.0
         121.0      19.8
         122.0      11.0
         123.0       2.1
         133.0       5.0
         134.0       4.7
         135.0      70.6
         136.0       7.1
         147.0       1.0
         149.0      60.7
         150.0     100.0
         151.0      10.8
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C9 H14 N2 0.02 ml : 0.5 ml CDCl3
    2,3-diethyl-5-methylpyrazine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.194 B 2.81 C 2.489 D 1.28

         Hz     ppm     Int.
    

        733.88   8.195    246
        264.06   2.949    116
        256.44   2.864    394
        252.69   2.822     38
        249.00   2.781    441
        244.63   2.732     39
        243.94   2.724     39
        243.69   2.721     39
        241.56   2.698    175
        226.44   2.529     36
        223.00   2.490    915
        217.19   2.426     31
        216.81   2.421     31
        216.38   2.417     30
        122.44   1.368    535
        119.00   1.329     46
        115.00   1.285   1000
        110.50   1.234     55
        109.94   1.228     55
        107.38   1.199    431
    

in CDCl3



liquid film