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网站主页CAS数据库列表 1999-41-3更多图谱NΑ-DL-丙氨酰基-DL-天冬酰胺酸(1999-41-3)质谱(MS)

NΑ-DL-丙氨酰基-DL-天冬酰胺酸

产品名称 NΑ-DL-丙氨酰基-DL-天冬酰胺酸

CAS号1999-41-3

分子式C7H13N3O4

分子量203.2

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  • Mass

    MS-NW-2369          
    DL-alanyl-DL-asparagine
    C7H13N3O4 H2O       (Mass of molecular ion:    203)
    

       Source Temperature: 240 °C
       Sample Temperature: 220 °C
       Direct, 75 eV
    

          15.0       5.9
          16.0       8.1
          17.0      10.7
          18.0      33.9
          26.0       2.8
          27.0      10.0
          28.0      22.2
          29.0       1.8
          30.0       1.9
          39.0       1.2
          40.0       3.2
          41.0       7.0
          42.0      17.7
          43.0      14.8
          44.0     100.0
          45.0       3.8
          52.0       1.1
          53.0       1.5
          54.0       4.5
          55.0      13.5
          56.0       6.4
          57.0       3.1
          59.0      12.3
          60.0       2.3
          68.0       1.7
          69.0       5.6
          70.0      14.2
          71.0       6.2
          72.0       1.9
          81.0       2.5
          82.0       1.1
          83.0       1.1
          84.0       1.2
          85.0       1.8
          86.0       1.5
          87.0       5.4
          88.0       3.9
          95.0       1.1
          96.0       2.1
          97.0       7.9
          98.0       4.5
          99.0       8.0
         100.0       1.8
         112.0       3.2
         113.0       3.7
         114.0       1.0
         115.0       1.0
         123.0       1.1
         124.0       8.5
         125.0       3.2
         126.0      12.3
         127.0       8.9
         128.0       1.0
         140.0      13.7
         141.0       3.1
         142.0       1.5
         157.0       1.0
         167.0       2.3
         168.0      17.6
         169.0       2.0
         185.0       9.0
         186.0       4.9
    

400 MHz in D2O


  • 1H NMR 399.65 MHz
    C7 H13 N3 O4 0.034 g : 0.5 ml D2O
    DL-alanyl-DL-asparagine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.590 B 4.115 C *1 2.860 D *1 2.645 E 1.515 THE SOLVENT PEAK SUPPRESSED.

         Hz     ppm     Int.
    

       1841.43   4.608    127
       1837.16   4.597    139
       1831.79   4.584    146
       1827.39   4.573    127
       1655.40   4.143     66
       1648.32   4.125    208
       1641.24   4.107    213
       1634.16   4.089     70
       1154.05   2.888    152
       1152.10   2.883     33
       1149.78   2.877    159
       1138.92   2.850    221
       1134.64   2.840    200
       1068.48   2.674    216
       1058.72   2.650    211
       1053.34   2.636    158
       1043.58   2.612    154
        609.25   1.525   1000
        602.17   1.507    961
    

in D2O



KBr disc



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