1H-苯并咪唑-5-羧酸

Mass

MS-IW-8182          
5-benzimidazolecarboxylic acid
C8H6N2O2            (Mass of molecular ion:    162)

   Source Temperature: 180 °C
   Sample Temperature: 180 °C
   Direct, 75 eV

      18.0       1.5
      28.0       1.7
      38.0       1.3
      39.0       1.4
      44.0       1.0
      51.0       1.1
      52.0       2.0
      53.0       1.1
      58.5       1.0
      61.0       1.3
      62.0       3.2
      63.0       7.9
      64.0       2.3
      67.0       3.9
      72.5       1.6
      89.0       1.4
      90.0      13.1
      91.0       2.2
     106.0       1.0
     116.0       2.0
     117.0      37.9
     118.0       6.5
     145.0      73.7
     146.0       7.0
     162.0     100.0
     163.0      11.7
     164.0       1.0

Assign. Shift(ppm) A 8.460 B 8.290 C 7.906 D 7.721

     Hz     ppm     Int.

   3381.10   8.461   1000
   3374.76   8.445     24
   3313.96   8.293    583
   3312.99   8.290    596
   3165.28   7.921    375
   3163.82   7.917    366
   3160.16   7.908     28
   3156.74   7.899    451
   3155.27   7.896    476
   3089.84   7.732    517
   3085.69   7.721     35
   3081.54   7.711    431