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网站主页CAS数据库列表 1483-07-4更多图谱L-脲基丙氨酸(1483-07-4)核磁图(13CNMR)

L-脲基丙氨酸

产品名称 L-脲基丙氨酸

CAS号1483-07-4

分子式C4H9N3O3

分子量147.13


  • Mass

    MS-NW-9132          
    (-)-3-ureido-L-alanine
    C4H9N3O3            (Mass of molecular ion:    147)
    

       Source Temperature: 220 °C
       Sample Temperature: 190 °C
       Direct, 75 eV
    

          15.0       4.4
          16.0       9.9
          17.0      18.1
          18.0      17.4
          27.0       1.9
          28.0      18.5
          29.0      12.6
          30.0     100.0
          31.0       6.3
          40.0       1.2
          41.0       3.8
          42.0      14.6
          43.0      20.7
          44.0      20.7
          45.0       2.1
          46.0       1.2
          56.0       2.4
          57.0      16.1
          58.0       4.4
          59.0       7.6
          60.0       1.7
          61.0       6.0
          69.0       1.6
          73.0      23.6
          74.0      10.7
          75.0      30.5
          84.0       3.8
          85.0      24.7
          86.0       4.9
          87.0       3.6
         102.0       3.3
         104.0       5.7
         112.0       1.5
    

400 MHz in D2O


  • 1H NMR 399.65 MHz
    C4 H9 N3 O3 0.033 g : 0.5 ml D2O
    (-)-3-ureido-L-alanine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 3.876 B *1 3.717 C *1 3.530 THE SOLVENT PEAK SUPPRESSED.

         Hz     ppm     Int.
    

       1561.89   3.909     44
       1561.28   3.907     46
       1560.79   3.906     51
       1554.32   3.890    764
       1550.90   3.881    975
       1548.10   3.874   1000
       1544.56   3.865    948
       1497.44   3.747    611
       1494.02   3.739    604
       1488.04   3.724     87
       1482.18   3.709    893
       1478.76   3.701    872
       1470.95   3.681     49
       1420.41   3.555    812
       1413.94   3.538    762
       1405.27   3.517    579
       1398.80   3.501    525
    

in D2O



KBr disc



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