3-氨基吡嗪-2-羧酸甲酯

Mass

MS-NW-7623          
methyl 3-amino-2-pyrazinecarboxylate
C6H7N3O2            (Mass of molecular ion:    153)

   Source Temperature: 210 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      15.0      13.3
      18.0       2.0
      26.0       2.7
      27.0       2.9
      28.0      12.3
      29.0       2.4
      31.0       1.2
      38.0       3.0
      39.0       6.0
      40.0      21.1
      41.0       6.9
      42.0       8.2
      43.0       8.9
      44.0       1.9
      51.0       1.6
      52.0       5.5
      53.0       4.4
      54.0       1.7
      59.0       4.7
      65.0       1.2
      66.0       9.2
      67.0      31.7
      68.0      21.9
      69.0       1.6
      93.0      16.8
      94.0      36.7
      95.0     100.0
      96.0       6.1
     121.0       4.2
     122.0       5.5
     123.0      18.6
     124.0       1.5
     153.0      54.8
     154.0       4.8

Assign. Shift(ppm) A 8.217 B 8.011 C 7. D 4.002 ASSIGNED BY C-H COSY. J(A,B)=2.2HZ

     Hz     ppm     Int.

   3285.16   8.221    169
   3282.96   8.215    175
   3202.88   8.015    194
   3200.68   8.009    181
   1599.49   4.003   1000