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Ethyl 2-bromo-3-methylbutyrate

CAS609-12-1

MFC7H13BrO2

MW209.08

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  • Mass

    MS-IW-3997          
    ethyl 2-bromo-3-methylbutyrate
    C7H13BrO2           (Mass of molecular ion:    208)
    

       Source Temperature: 230 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       1.2
          26.0       1.4
          27.0      18.5
          28.0       4.7
          29.0      70.7
          30.0       2.0
          39.0      15.1
          40.0       2.5
          41.0      29.4
          42.0       3.7
          43.0      24.7
          44.0       1.2
          45.0       8.2
          53.0       3.9
          54.0       1.1
          55.0      91.2
          56.0      12.6
          57.0      10.4
          59.0       7.4
          60.0       1.3
          68.0       1.3
          69.0      12.9
          70.0       1.1
          73.0       8.7
          82.0       1.5
          83.0      10.5
          84.0       1.5
          85.0       4.9
          86.0       1.7
          87.0       4.2
          88.0       2.2
         100.0       1.2
         101.0      28.3
         102.0       1.8
         107.0       4.9
         109.0       4.9
         120.0       7.8
         121.0       2.6
         122.0       7.4
         123.0       1.7
         129.0      47.8
         130.0       3.8
         135.0      27.3
         136.0       2.0
         137.0      26.7
         138.0      58.9
         139.0       1.9
         140.0      56.6
         141.0       1.7
         163.0       8.3
         165.0       9.0
         166.0     100.0
         167.0       5.4
         168.0      97.2
         169.0       4.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H13 Br O2 0.05 ml : 0.5 ml CDCl3
    ethyl 2-bromo-3-methylbutyrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.232 B 4.037 C 2.233 D 1.301 E *1 1.104 F *1 1.034

         Hz     ppm     Int.
    

       1702.51   4.261    200
       1695.31   4.242    553
       1692.14   4.235     36
       1688.23   4.225    566
       1684.69   4.216     39
       1681.03   4.207    218
       1617.55   4.048    374
       1609.74   4.028    383
        910.16   2.278     34
        903.56   2.261     89
        896.85   2.245    127
        895.75   2.242    103
        890.26   2.228    106
        889.04   2.225    129
        883.54   2.211     53
        882.32   2.208     96
        875.73   2.192     39
        527.34   1.320    602
        524.29   1.312     58
        520.14   1.302   1000
        513.06   1.284    583
        509.40   1.275     52
        448.73   1.123     43
        444.46   1.113    849
        437.74   1.096    827
        421.14   1.054     33
        416.87   1.044    835
        410.16   1.027    817
    

in CDCl3



liquid film