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网站主页CAS数据库列表 2782-07-2更多图谱半乳糖酸內酯(2782-07-2)质谱(MS)

半乳糖酸內酯

产品名称 半乳糖酸內酯

CAS号2782-07-2

分子式C6H10O6

分子量178.14

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  • Mass

    MS-NW-2265          
    D-galactono-gamma-lactone
    C6H10O6             (Mass of molecular ion:    178)
    

       Source Temperature: 210 °C
       Sample Temperature: 190 °C
       Direct, 75 eV
    

          14.0       2.7
          15.0      19.2
          17.0       3.4
          18.0      15.9
          19.0      20.1
          26.0       4.0
          27.0      13.5
          28.0      10.4
          29.0      33.0
          30.0      10.9
          31.0      37.3
          32.0       2.2
          38.0       1.5
          39.0       7.2
          40.0       1.7
          41.0       6.5
          42.0      16.7
          43.0      51.2
          44.0      39.0
          45.0      16.6
          47.0       2.3
          53.0       1.2
          54.0       2.9
          55.0      12.8
          56.0       5.8
          57.0      16.5
          58.0      11.4
          59.0       2.8
          60.0      38.0
          61.0      90.0
          62.0       3.3
          68.0       1.5
          69.0       6.6
          70.0       3.9
          71.0      22.4
          72.0      10.9
          73.0     100.0
          74.0       6.4
          75.0       1.2
          76.0       6.9
          83.0       3.8
          84.0       4.2
          85.0      20.1
          86.0       4.7
          87.0       2.4
          89.0       6.4
          90.0       1.9
          91.0       5.5
          97.0       1.3
          98.0       1.3
         100.0      11.4
         101.0       3.2
         103.0       7.1
         112.0       2.8
         114.0       2.5
         118.0       8.0
         119.0       7.8
         142.0       1.7
         147.0       5.2
         160.0       2.8
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C6 H10 O6 0.041 g : 0.5 ml DMSO-d6
    D-galactono-gamma-lactone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.07 B 5.79 C 5.05 D 4.79 E 4.249 F 4.125 G 4.093 J 3.602 K 3.42 ASSIGNED BY C-H AND H-H COSY. THE H2O SIGNAL AT 3.45 PPM REMOVE.

         Hz     ppm     Int.
    

       2428.34   6.077   1000
       2421.63   6.060    991
       2317.63   5.800    689
       2312.01   5.786    699
       2019.53   5.054    723
       2013.31   5.038    737
       1921.88   4.809    313
       1916.75   4.797    411
       1915.77   4.794    501
       1910.64   4.781    325
       1706.79   4.271    270
       1700.07   4.254    298
       1698.12   4.250    398
       1691.53   4.233    380
       1661.62   4.158    149
       1656.01   4.144    145
       1653.32   4.137    337
       1647.71   4.123    335
       1644.90   4.116    264
       1639.53   4.103    460
       1638.67   4.101    506
       1636.96   4.096    497
       1630.37   4.080    154
       1628.78   4.076    175
       1450.93   3.631     73
       1449.34   3.627     71
       1444.70   3.615    164
       1443.12   3.611    239
       1441.53   3.607    133
       1436.89   3.596    265
       1435.30   3.592    197
       1430.66   3.580    100
       1429.08   3.576    101
       1387.21   3.472    117
       1379.03   3.451    584
       1376.59   3.445    325
       1371.46   3.432    294
       1365.11   3.416    360
       1358.64   3.400    247
       1357.18   3.396    228
       1354.37   3.389    130
       1350.83   3.381    198
       1348.14   3.374    125
       1346.56   3.370    102
       1340.33   3.354     88
       1011.84   2.532     38
       1008.42   2.524    279
       1006.59   2.519    583
       1004.76   2.515    774
       1002.93   2.510    560
       1001.22   2.506    255
    

in DMSO-d6



KBr disc



nujol mull



4880 A,200 M,powder