2-ISOBUTYL-3-METHYLPYRAZINE

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

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