XANTHOSINE DIHYDRATE

Mass

MS-IW-5135          
xanthosine
C10H12N4O6 (H2O)    (Mass of molecular ion:    284)

   Source Temperature: 190 °C
   Sample Temperature: 230 °C
   Direct, 75 eV

      15.0       1.8
      17.0       1.9
      18.0       9.8
      19.0       3.2
      26.0       1.3
      27.0       9.5
      28.0      19.7
      29.0       9.1
      30.0       1.9
      31.0       7.9
      32.0       1.0
      38.0       1.7
      39.0       3.7
      40.0       2.4
      41.0       4.5
      42.0       4.9
      43.0      15.0
      44.0      12.3
      45.0       7.4
      47.0       2.3
      52.0       1.2
      53.0      12.4
      54.0      60.6
      55.0      11.2
      56.0       4.8
      57.0      33.6
      58.0       4.6
      59.0       1.1
      60.0      11.7
      61.0       6.6
      67.0       1.1
      68.0       3.8
      69.0       6.3
      70.0       5.2
      71.0      10.7
      72.0       5.0
      73.0      21.2
      74.0       3.7
      80.0       2.4
      81.0       9.3
      82.0       4.5
      84.0       1.4
      85.0       5.4
      86.0       5.5
      87.0       1.4
      96.0       1.3
      97.0       3.9
      98.0       1.9
     103.0       2.1
     108.0       1.1
     109.0      87.4
     110.0       6.0
     114.0       1.9
     115.0       3.0
     133.0       4.3
     136.0       1.2
     143.0       1.2
     152.0     100.0
     153.0       8.6
     161.0       1.4

Assign. Shift(ppm) A 10.7 B 7.849 C 5.764 D *1 5.37 E *1 5.14 F 4.243 G 4.097 J 4.035 K 3.682

     Hz     ppm     Int.

   4289.02  10.732    291
   3137.09   7.850   1000
   2307.35   5.774    408
   2300.57   5.757    420
   2145.98   5.370     32
   2056.04   5.145    155
   1701.80   4.259    146
   1696.49   4.245    211
   1690.08   4.229    165
   1639.52   4.103    193
   1639.16   4.102    193
   1638.06   4.099    191
   1635.86   4.094    175
   1616.26   4.045    141
   1613.88   4.039    342
   1611.50   4.033    324
   1609.12   4.027    132
   1473.21   3.687    713
   1470.46   3.680    700
   1462.22   3.659     35
   1461.49   3.657     35