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网站主页CAS数据库列表 1668-08-2更多图谱半乳糖酸內酯(1668-08-2)红外图谱(IR1)

半乳糖酸內酯

产品名称 半乳糖酸內酯

CAS号1668-08-2

分子式C6H10O6

分子量178.14


  • Mass

    MS-IW-8186          
    L-galactono-gamma-lactone
    C6H10O6             (Mass of molecular ion:    178)
    

       Source Temperature: 170 °C
       Sample Temperature: 180 °C
       Direct, 75 eV
    

          14.0       2.4
          15.0       7.2
          17.0       5.3
          18.0      25.1
          19.0       7.9
          25.0       1.0
          26.0       4.9
          27.0       7.2
          28.0      24.6
          29.0      19.9
          30.0       8.8
          31.0      20.0
          32.0       2.4
          37.0       1.0
          38.0       1.5
          39.0       6.6
          40.0       2.2
          41.0       5.0
          42.0      14.5
          43.0      41.1
          44.0      49.3
          45.0      11.6
          47.0       1.6
          50.0       1.6
          51.0       1.8
          52.0       1.8
          53.0       1.9
          54.0       3.5
          55.0       8.4
          56.0       5.8
          57.0      11.7
          58.0      12.5
          59.0       2.5
          60.0      29.3
          61.0      84.4
          62.0       3.2
          68.0       5.4
          69.0       5.4
          70.0       3.5
          71.0      23.4
          72.0      11.4
          73.0     100.0
          74.0       6.2
          75.0       1.6
          76.0       8.9
          80.0       2.7
          81.0       1.0
          82.0       1.1
          83.0       4.0
          84.0       2.8
          85.0      28.3
          86.0       4.8
          87.0       2.4
          89.0       6.8
          90.0       1.8
          91.0       5.5
          95.0       1.6
          96.0       2.5
          97.0       1.6
          98.0       2.0
          99.0       1.3
         100.0      22.4
         101.0       5.3
         102.0       1.7
         103.0      11.9
         112.0       1.2
         114.0       5.5
         115.0       1.1
         118.0      12.3
         119.0      10.9
         132.0       1.0
         133.0       5.5
         142.0       4.7
         147.0       9.8
         160.0       5.6
         179.0       1.4
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C6 H10 O6 0.042 g : 0.5 ml DMSO-d6
    L-galactono-gamma-lactone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.060 B 5.784 C 5.038 D 4.785 E 4.243 F 4.13 G 4.09 J 3.601 K *1 3.42 L *1 3.39 D-ISOMER : HSP-44-240

         Hz     ppm     Int.
    

       2425.54   6.070    975
       2418.82   6.053   1000
       2314.58   5.792    835
       2308.96   5.778    870
       2016.72   5.047    854
       2010.50   5.031    881
       1918.46   4.801    387
       1912.48   4.786    659
       1907.23   4.773    419
       1706.05   4.269    410
       1702.64   4.261     70
       1699.46   4.253    448
       1697.51   4.248    620
       1694.70   4.241     80
       1690.92   4.232    581
       1661.62   4.158    229
       1655.88   4.144    225
       1653.32   4.137    511
       1647.58   4.123    513
       1644.78   4.116    402
       1639.53   4.103    625
       1638.43   4.100    754
       1636.72   4.096    785
       1630.13   4.079    255
       1628.42   4.075    305
       1450.81   3.631    114
       1449.22   3.627    119
       1444.58   3.615    247
       1443.12   3.611    364
       1441.53   3.607    215
       1436.89   3.596    404
       1435.18   3.592    311
       1430.66   3.580    164
       1429.08   3.576    165
       1387.08   3.471    174
       1385.25   3.467    209
       1381.96   3.458    203
       1381.10   3.456    196
       1376.34   3.444    605
       1365.11   3.416    637
       1362.30   3.409    249
       1358.76   3.400    405
       1357.18   3.396    369
       1354.37   3.389    225
       1350.95   3.381    313
       1348.14   3.374    203
       1346.68   3.370    176
       1340.33   3.354    139
    

KBr disc



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