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DL-Ethyl 2-bromobutyrate

Product Name DL-Ethyl 2-bromobutyrate

CAS533-68-6

MFC6H11BrO2

MW195.05

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  • Mass

    MS-NW-1253          
    ethyl 2-bromobutyrate
    C6H11BrO2           (Mass of molecular ion:    194)
    

       Source Temperature: 260 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       3.4
          26.0       4.0
          27.0      26.0
          28.0       5.2
          29.0     100.0
          30.0       2.1
          31.0       2.3
          32.0       1.0
          38.0       1.6
          39.0      15.3
          40.0       2.8
          41.0      95.3
          42.0      14.7
          43.0      37.0
          44.0       1.4
          45.0       8.2
          55.0      11.8
          59.0       1.8
          69.0       6.6
          70.0       2.5
          71.0       1.5
          73.0       2.8
          87.0      10.1
          88.0       1.3
          93.0       1.0
         115.0      20.1
         116.0       1.4
         120.0       3.7
         121.0      25.7
         122.0       5.0
         123.0      24.7
         124.0       1.2
         138.0       4.2
         140.0       3.9
         149.0       5.3
         151.0       5.2
         166.0      24.5
         167.0       1.4
         168.0      24.0
         169.0       1.4
         194.0       1.0
         196.0       1.0
    

400 MHz in CDCl3

90 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C6 H11 Br O2 0.05 ml : 0.5 ml CDCl3
    ethyl 2-bromobutyrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.236 B 4.165 C *1 2.11 D *1 2.01 E 1.304 F 1.031

         Hz     ppm     Int.
    

       1704.35   4.265    126
       1703.13   4.262    123
       1700.81   4.256     33
       1697.14   4.247    349
       1696.04   4.244    340
       1690.06   4.229    355
       1688.96   4.227    343
       1685.18   4.217     36
       1682.86   4.211    133
       1681.88   4.209    129
       1671.75   4.184    201
       1664.79   4.166    249
       1664.18   4.165    255
       1657.35   4.148    205
        859.13   2.150     62
        852.05   2.132    125
        844.85   2.114    183
        837.77   2.097    191
        830.57   2.079    129
        824.10   2.063     45
        823.36   2.061     46
        816.77   2.044    132
        809.33   2.026    197
        802.00   2.007    161
        795.04   1.990    118
        787.60   1.971     69
        528.20   1.322    628
        521.12   1.304   1000
        513.92   1.286    612
        419.56   1.050    554
        412.23   1.032    918
        404.79   1.013    515
    


  • 1H NMR 89.56 MHz
    C6 H11 Br O2 0.04 ml : 0.5 ml CDCl3
    ethyl 2-bromobutyrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.234 B 4.159 C 2.05 D 1.305 E 1.033

         Hz     ppm     Int.
    

        390.06   4.356    113
        383.00   4.277    431
        379.63   4.239    134
        375.88   4.197    504
        372.75   4.163    148
        372.19   4.156    172
        368.81   4.119    163
        365.25   4.079    143
        200.94   2.244     31
        194.06   2.167     52
        193.13   2.157     92
        191.44   2.138     37
        190.69   2.130     96
        187.19   2.091     36
        186.31   2.081     98
        185.63   2.073    112
        183.63   2.051    122
        183.19   2.046    106
        179.88   2.009     38
        178.75   1.996    104
        176.88   1.975     81
        176.06   1.966    102
        171.56   1.916     43
        169.31   1.891     52
        123.69   1.382    485
        121.81   1.361     31
        116.69   1.303   1000
        114.38   1.278     32
        109.44   1.222    424
         99.25   1.109    292
         92.13   1.029    593
         84.75   0.947    197
    

in CDCl3



CCl4 solution



liquid film



4880 A,200 M,liquid