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1638-60-4

DL-ALANYL-L-LEUCINE

Product Name DL-ALANYL-L-LEUCINE

CAS1638-60-4

MFC9H18N2O3

MW202.25

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  • 1638-60-4_ms
    Mass

    MS-NW-1975          
    DL-alanyl-L-leucine
    C9H18N2O3           (Mass of molecular ion:    202)
    

       Source Temperature: 190 °C
       Sample Temperature: 180 °C
       Direct, 75 eV
    

          15.0       3.2
          17.0       1.4
          18.0       7.2
          26.0       1.2
          27.0       9.4
          28.0      13.8
          29.0       4.6
          30.0       9.3
          39.0       4.8
          40.0       1.8
          41.0      12.0
          42.0      10.2
          43.0      19.2
          44.0     100.0
          45.0       3.0
          53.0       1.8
          54.0       2.0
          55.0       9.0
          56.0       4.9
          57.0       2.7
          68.0       1.4
          69.0       2.3
          70.0      15.6
          71.0       4.0
          72.0       1.1
          84.0       1.5
          85.0       1.8
          86.0      23.4
          87.0       1.5
          96.0       1.2
          97.0       1.1
          98.0       7.1
          99.0      12.1
         100.0       1.2
         113.0       8.0
         124.0       1.9
         127.0       2.4
         128.0      78.5
         129.0       5.1
         141.0       8.9
         169.0       1.2
    

400 MHz in DMSO-d6

  • 1638-60-4_1hnmr

    1H NMR 399.65 MHz
    C9 H18 N2 O3 0.021 g : 0.5 ml DMSO-d6
    DL-alanyl-L-leucine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.01 B *1 3.86 C *1 3.76 D 3.34 E 1.827 F *2 1.62 G *2 1.48 J 1.281 K *3 0.887 L *3 0.868

         Hz     ppm     Int.
    

       3203.58   8.016    121
       1546.63   3.870     57
       1539.92   3.854     59
       1511.54   3.783     42
       1505.89   3.769     65
       1500.85   3.756     46
       1354.22   3.389     31
       1335.60   3.342   1000
        737.92   1.847     35
        730.74   1.829     46
        724.18   1.813     42
        659.48   1.651     31
        650.94   1.629     57
        645.75   1.616     45
        642.85   1.609     41
        637.97   1.597     34
        637.51   1.596     34
        603.79   1.511     39
        596.31   1.493     51
        589.90   1.477     57
        582.58   1.458     34
        515.59   1.291    323
        508.73   1.273    327
        358.58   0.898    349
        350.95   0.879    529
        343.78   0.861    357
    

in CDCl3

  • 1638-60-4_13cnmr

KBr disc

  • 1638-60-4_ir1