图谱信息 供应商 相关产品
网站主页CAS数据库列表 5336-08-3更多图谱D-(+)-核糖酸-1,4-内酯(5336-08-3)质谱(MS)

D-(+)-核糖酸-1,4-内酯

产品名称 D-(+)-核糖酸-1,4-内酯

CAS号5336-08-3

分子式C5H8O5

分子量148.11

展开


  • Mass

    MS-NW-6900          
    D-(+)-ribono-1,4-lactone
    C5H8O5              (Mass of molecular ion:    148)
    

       Source Temperature: 250 °C
       Sample Temperature: 130 °C
       Direct, 75 eV
    

          14.0       3.3
          15.0      17.2
          17.0       1.1
          18.0       4.7
          19.0      20.6
          26.0       3.9
          27.0      15.7
          28.0       8.3
          29.0      37.3
          30.0      13.2
          31.0      40.4
          32.0       2.5
          38.0       1.0
          39.0       5.9
          40.0       6.8
          41.0       3.8
          42.0      25.9
          43.0      54.9
          44.0      15.2
          45.0      15.3
          47.0       4.0
          53.0       1.1
          54.0       2.4
          55.0      26.9
          56.0      13.1
          57.0      49.2
          58.0      37.4
          59.0       3.5
          60.0      62.6
          61.0      61.2
          62.0       2.2
          68.0       6.3
          69.0       1.9
          71.0      12.8
          72.0       6.8
          73.0     100.0
          74.0       7.9
          76.0      11.3
          84.0       1.5
          85.0       2.5
          86.0      11.0
          87.0       1.5
          88.0       1.5
          89.0       8.4
          91.0      13.0
         100.0       1.1
         102.0       1.3
         130.0       1.2
    

400 MHz in D2O


  • 1H NMR 399.65 MHz
    C5 H8 O5 0.046 g : 0.5 ml D2O
    D-(+)-ribono-1,4-lactone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.76 B 4.589 C 4.449 D *1 3.882 E *1 3.820 SOLVENT SIGNAL REMOVED

         Hz     ppm     Int.
    

       1903.20   4.763   1000
       1897.58   4.749    750
       1838.01   4.600    290
       1834.35   4.590    495
       1830.69   4.581    308
       1781.13   4.457    589
       1780.64   4.456    635
       1775.51   4.443    536
       1775.02   4.442    587
       1562.50   3.910    241
       1559.20   3.902    263
       1549.44   3.877    598
       1546.14   3.869    569
       1532.96   3.836    571
       1528.81   3.826    569
       1524.66   3.815     30
       1519.90   3.804    257
       1515.75   3.793    244
    

KBr disc



nujol mull