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DL-苏氨酸半水合物

产品名称 DL-苏氨酸半水合物

CAS号6028-28-0

分子式C4H9NO3

分子量119.12

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  • Mass

    MS-NW-0339          
    DL-threonine
    C4H9NO3             (Mass of molecular ion:    119)
    

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

          14.0       2.6
          15.0       9.0
          16.0       1.4
          17.0       3.2
          18.0      14.9
          19.0       2.9
          25.0       1.0
          26.0       4.7
          27.0      12.6
          28.0      56.6
          29.0      49.8
          30.0      36.8
          31.0       1.7
          39.0       2.7
          40.0       1.8
          41.0       3.5
          42.0       6.1
          43.0      19.7
          44.0      21.2
          45.0      25.3
          46.0       3.3
          52.0       1.6
          54.0       5.3
          55.0       3.6
          56.0      21.9
          57.0      95.1
          58.0       9.8
          59.0       2.4
          60.0       2.2
          72.0       1.6
          74.0      25.7
          75.0     100.0
          76.0       3.1
          83.0       1.1
         101.0       1.6
         104.0       2.9
    

90 MHz in D2O


  • 1H NMR 89.56 MHz
    C4 H9 N O3 0.047 g : 0.5 ml D2O
    DL-threonine
    ChemicalStructure
        Assign.     Shift(ppm)
    B 4.258 C 3.595 D 1.331 THE SOLVENT SIGNAL REMOVED.

         Hz     ppm     Int.
    

        394.13   4.401     39
        389.25   4.347     47
        387.56   4.328    119
        382.63   4.273    141
        380.94   4.254    133
        376.06   4.199    146
        374.31   4.180     54
        369.56   4.127     46
        324.31   3.622    513
        321.81   3.594     46
        319.44   3.567    448
        122.50   1.368   1000
        115.94   1.295    957
    

in D2O



KBr disc



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