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网站主页CAS数据库列表 7643-75-6更多图谱L-(-)-阿拉伯糖醇(7643-75-6)红外图谱(IR2)

L-(-)-阿拉伯糖醇

产品名称 L-(-)-阿拉伯糖醇

CAS号7643-75-6

分子式C5H12O5

分子量152.15

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  • Mass

    MS-NW-2285          
    L-arabinitol
    C5H12O5             (Mass of molecular ion:    152)
    

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

          14.0       1.3
          15.0      18.9
          17.0       2.4
          18.0      12.6
          19.0      18.4
          26.0       1.4
          27.0       9.7
          28.0      17.5
          29.0      17.6
          30.0       2.9
          31.0      34.5
          32.0       2.0
          39.0       2.1
          41.0       2.4
          42.0       8.6
          43.0      54.3
          44.0      51.8
          45.0      33.5
          46.0       1.9
          47.0       2.0
          55.0      12.8
          56.0      40.9
          57.0      14.9
          58.0       1.3
          59.0       1.2
          60.0      13.6
          61.0     100.0
          62.0       4.4
          71.0       3.0
          72.0       3.2
          73.0      44.1
          74.0      56.1
          75.0       2.9
          85.0       7.0
          88.0       1.0
          91.0      37.4
          92.0       1.4
         103.0      25.6
         104.0       1.5
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C5 H12 O5 0.039 g : 0.5 ml DMSO-d6
    L-arabinitol
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.47 B 4.45 C 4.34 D 4.22 E 4.15 F 3.672 G *1 3.594 J 3.46 K *2 3.41 L *2 3.39 M *1 3.36 N 3.32 assigned by H-H and C-H COSY

         Hz     ppm     Int.
    

       1790.53   4.481    637
       1784.79   4.466    873
       1778.69   4.451    611
       1773.07   4.437    343
       1742.55   4.361    281
       1736.94   4.347    533
       1731.45   4.333    287
       1689.70   4.228    524
       1683.47   4.213    547
       1661.87   4.159    654
       1654.54   4.140    682
       1476.44   3.695    145
       1471.68   3.683    368
       1470.34   3.680    381
       1465.45   3.667    396
       1464.11   3.664    390
       1459.23   3.652    172
       1457.76   3.648    158
       1446.78   3.621    195
       1443.36   3.612    267
       1441.53   3.607    258
       1437.87   3.598    261
       1436.16   3.594    279
       1432.62   3.585    322
       1430.91   3.581    307
       1427.37   3.572    247
       1395.63   3.493    111
       1389.77   3.478    236
       1386.72   3.470    287
       1384.16   3.464    314
       1381.59   3.458    361
       1378.30   3.449    293
       1376.34   3.444    266
       1372.56   3.435    304
       1365.97   3.418    871
       1361.57   3.407    715
       1355.59   3.392   1000
       1353.39   3.387    662
       1349.49   3.377    806
       1342.04   3.359    503
       1339.23   3.352    299
       1337.77   3.348    269
       1335.08   3.341    417
       1333.50   3.337    400
       1326.29   3.319    517
       1319.70   3.303    264
       1318.24   3.299    244
    

in DMSO-d6

in D2O





KBr disc



nujol mull