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网站主页CAS数据库列表 469-90-9更多图谱景天庚酮糖(469-90-9)质谱(MS)

景天庚酮糖

产品名称 景天庚酮糖

CAS号469-90-9

分子式C7H12O6

分子量192.17

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  • Mass

    MS-NW-9096          
    2,7-anhydro-beta-D-altro-2-heptulopyranose
    C7H12O6 H2O         (Mass of molecular ion:    192)
    

       Source Temperature: 210 °C
       Sample Temperature: 150 °C
       Direct, 75 eV
    

          15.0       4.3
          18.0       2.1
          19.0       5.2
          27.0       5.3
          28.0       5.4
          29.0      13.8
          30.0       2.1
          31.0      23.3
          39.0       2.6
          41.0       6.0
          42.0       6.7
          43.0      13.5
          44.0       5.8
          45.0       6.7
          47.0       1.2
          49.0      11.0
          53.0       1.8
          55.0       6.6
          56.0      13.7
          57.0      75.8
          58.0       4.1
          59.0       1.6
          60.0     100.0
          61.0       7.7
          69.0      12.3
          70.0      14.4
          71.0       9.0
          72.0       2.0
          73.0      34.2
          74.0       9.7
          75.0       1.4
          77.0      21.1
          81.0       1.9
          85.0       2.7
          86.0       1.5
          87.0       2.5
          91.0       3.4
          97.0       4.4
          98.0      11.6
          99.0       8.7
         102.0      15.4
         103.0       3.8
         115.0       1.9
         116.0       2.6
         119.0      13.9
         131.0       5.7
         132.0       2.8
         174.0       4.2
         175.0       1.8
    

400 MHz in D2O


  • 1H NMR 399.65 MHz
    C7 H12 O6 saturated in D2O
    2,7-anhydro-beta-D-altro-2-heptulopyranose
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.692 B 4.008 C *1 3.905 D *1 3.87 E *2 3.85 F *2 3.821 G 3.763 J 3.671 SOLVENT PEAK REMOVED

         Hz     ppm     Int.
    

       1878.66   4.701    216
       1877.56   4.699    219
       1876.34   4.695    221
       1874.63   4.691    224
       1873.41   4.688    214
       1872.19   4.685    241
       1605.59   4.018    333
       1603.03   4.012    341
       1601.07   4.007    386
       1598.63   4.001    361
       1567.63   3.923    192
       1566.28   3.920    238
       1559.33   3.902    539
       1558.11   3.899    559
       1552.37   3.885    461
       1547.00   3.871    514
       1544.19   3.864    210
       1538.70   3.851    228
       1535.40   3.842   1000
       1529.66   3.828    966
       1516.97   3.796    230
       1511.84   3.783    255
       1507.32   3.772    227
       1502.93   3.761    371
       1498.54   3.750    351
       1470.58   3.680    733
       1461.67   3.658    480
    

KBr disc