Dimethyl 4,5-imidazoledicarboxylate

Mass

MS-IW-6469          
dimethyl 4,5-imidazoledicarboxylate
C7H8N2O4            (Mass of molecular ion:    184)

   Source Temperature: 150 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      15.0       1.8
      28.0       1.5
      39.0       1.6
      40.0       1.3
      42.0       1.5
      44.0       1.4
      59.0       1.3
      65.0       1.7
      67.0       6.0
      68.0       6.5
      70.0       1.1
      93.0       1.4
      94.0       8.4
      95.0       2.0
      96.0       8.4
     121.0      54.9
     122.0       4.4
     123.0       5.4
     126.0      21.1
     127.0       1.4
     153.0     100.0
     154.0      15.6
     155.0       1.5
     184.0      35.2
     185.0       3.9

Assign. Shift(ppm) A 7.933 B 3.826

     Hz     ppm     Int.

   3170.41   7.933    246
   1529.17   3.827   1000