2-甲基-3-(甲硫基)吡嗪

Mass

MS-NW-4638          
2-methyl-3-(methylthio)pyrazine
C6H8N2S             (Mass of molecular ion:    140)

   Source Temperature: 250 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      15.0       4.8
      18.0       1.1
      26.0       5.2
      27.0       3.2
      28.0       3.0
      37.0       2.1
      38.0       3.6
      39.0      10.6
      40.0       7.9
      41.0       5.8
      42.0      23.2
      44.0       1.1
      45.0       9.9
      46.0       3.5
      47.0       3.0
      51.0       2.1
      52.0       8.3
      53.0       2.7
      54.0       1.9
      57.0       8.7
      58.0       2.9
      59.0       1.9
      61.0       1.1
      64.0       1.4
      65.0       2.5
      66.0      11.6
      67.0       8.3
      68.0       3.8
      69.0       2.7
      70.0       3.8
      71.0       4.7
      72.0       5.2
      73.0      10.9
      74.0       1.8
      79.0       2.6
      80.0       2.2
      81.0       7.1
      82.0       1.2
      83.0       1.7
      84.0      19.5
      85.0       1.5
      86.0       1.1
      92.0       1.0
      93.0      18.5
      94.0      16.6
      95.0       6.2
      96.0       1.1
      98.0       7.0
      99.0       1.1
     106.0      20.9
     107.0      37.5
     108.0       3.4
     124.0       2.1
     125.0      27.5
     126.0       2.1
     127.0       1.4
     139.0      12.2
     140.0     100.0
     141.0       8.9
     142.0       4.8

Assign. Shift(ppm) A 8.21 B 8.08 C 2.55 D 2.48 J(A,B)=2.7HZ.

     Hz     ppm     Int.

    736.75   8.227     53
    736.06   8.219     50
    734.00   8.196     79
    733.38   8.189     73
    724.63   8.092    104
    721.94   8.061     76
    227.81   2.544   1000
    222.69   2.487    530
    222.25   2.482    533