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2-ISOBUTYL-3-METHYLPYRAZINE

Product Name 2-ISOBUTYL-3-METHYLPYRAZINE

CAS13925-06-9

MFC9H14N2

MW150.22

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  • Mass

    MS-NW-7129          
    2-isobutyl-3-methylpyrazine
    C9H14N2             (Mass of molecular ion:    150)
    

       Source Temperature: 270 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          15.0       1.3
          18.0       1.4
          26.0       3.6
          27.0       6.5
          28.0       2.0
          29.0       1.1
          38.0       1.2
          39.0       9.3
          40.0       4.7
          41.0       9.7
          42.0       8.3
          43.0       6.2
          51.0       1.5
          52.0       2.9
          53.0       3.8
          54.0       1.3
          65.0       1.1
          66.0       3.1
          67.0       9.8
          68.0       1.8
          80.0       2.1
          81.0       1.3
          82.0       2.0
          93.0       3.8
          94.0       2.2
         107.0      10.3
         108.0     100.0
         109.0       7.6
         119.0       1.1
         135.0      14.2
         136.0       1.4
         149.0       3.6
         150.0       3.8
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C9 H14 N2 0.04 ml : 0.5 ml CDCl3
    2-isobutyl-3-methylpyrazine
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 8.33 B *1 8.28 C 2.695 D 2.574 E 2.22 F 0.972 J(A,B)=2.7HZ J(C,E)=7.1HZ J(E,F)=6.5HZ

         Hz     ppm     Int.
    

        748.19   8.355     73
        745.69   8.327    160
        742.38   8.290    201
        739.75   8.260     83
        245.75   2.744    190
        238.69   2.666    293
        230.56   2.575    787
        227.38   2.539     32
        201.69   2.253     40
        195.00   2.178     48
        188.31   2.103     38
        187.38   2.093     30
         90.13   1.007   1000
         83.63   0.934    847
    

in CDCl3



liquid film



4880 A,200 M,liquid