2-乙基-3-甲氧基吡嗪

Mass

MS-NW-6629          
2-ethyl-3-methoxypyrazine
C7H10N2O            (Mass of molecular ion:    138)

   Source Temperature: 260 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      15.0       6.5
      18.0       1.1
      26.0       5.7
      27.0       7.3
      28.0       9.6
      29.0       6.5
      37.0       1.6
      38.0       3.5
      39.0      11.3
      40.0      23.9
      41.0      10.7
      42.0       8.7
      43.0       1.0
      50.0       1.1
      51.0       2.6
      52.0       9.8
      53.0       9.8
      54.0      10.3
      55.0       2.2
      56.0      12.6
      65.0       1.4
      66.0       3.3
      67.0       4.0
      68.0      15.8
      69.0       3.9
      78.0       1.4
      79.0       5.1
      80.0      12.8
      81.0       9.7
      82.0       2.4
      83.0       1.0
      93.0      14.2
      94.0       2.5
      95.0      16.1
      96.0       2.8
     105.0       5.4
     106.0       4.4
     107.0      20.4
     108.0      13.5
     109.0      14.7
     110.0       2.3
     111.0       4.4
     119.0      12.1
     120.0       1.9
     121.0       1.1
     123.0      66.5
     124.0       5.3
     137.0      30.4
     138.0     100.0
     139.0       9.0

Assign. Shift(ppm) A 8.015 B 7.921 C 3.970 D 2.821 E 1.267

     Hz     ppm     Int.

   3204.86   8.020    190
   3202.12   8.013    214
   3167.13   7.925    188
   3164.20   7.918    165
   1586.95   3.971   1000
   1139.11   2.851     88
   1131.60   2.832    246
   1124.09   2.813    252
   1116.58   2.794     96
    513.97   1.287    401
    506.46   1.268    670
    498.95   1.249    397