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网站主页CAS数据库列表 5837-73-0更多图谱DL-2-羟基-3-丁烯酸甲酯(5837-73-0)核磁图(13CNMR)

DL-2-羟基-3-丁烯酸甲酯

产品名称 DL-2-羟基-3-丁烯酸甲酯

CAS号5837-73-0

分子式C5H8O3

分子量116.12

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  • Mass

    MS-IW-3482          
    methyl (+-)-2-hydroxy-3-butenoate
    C5H8O3              (Mass of molecular ion:    116)
    

       Source Temperature: 210 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          15.0       9.9
          26.0       4.4
          27.0      17.5
          28.0       8.3
          29.0      40.9
          30.0       2.4
          31.0      19.4
          32.0       1.8
          33.0       6.4
          37.0       1.3
          38.0       2.5
          39.0       7.4
          40.0       1.5
          41.0       1.9
          42.0       1.1
          43.0       2.2
          44.0       1.2
          45.0       6.0
          53.0       1.1
          55.0      16.4
          56.0      10.7
          57.0     100.0
          58.0       6.6
          59.0      18.7
          60.0       1.7
          61.0       2.2
          68.0       1.7
          71.0       2.0
          84.0      38.8
          85.0       2.5
          87.0      17.1
          88.0       1.0
          99.0       2.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C5 H8 O3 0.05 ml : 0.5 ml CDCl3
    methyl (+-)-2-hydroxy-3-butenoate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 5.950 B 5.495 C 5.271 D 4.717 E 4.44 F 3.795

         Hz     ppm     Int.
    

       2205.57   5.519    135
       2204.35   5.516    149
       2203.74   5.515    149
       2202.51   5.512    138
       2188.48   5.476    113
       2187.13   5.473    122
       2186.65   5.472    129
       2185.42   5.469    116
       2113.04   5.288    141
       2111.82   5.285    146
       2111.21   5.283    155
       2109.99   5.280    134
       2102.66   5.262    126
       2101.32   5.258    137
       2100.83   5.257    145
       2099.61   5.254    127
       1889.65   4.729     91
       1887.82   4.724    165
       1885.99   4.720     97
       1884.52   4.716     94
       1882.69   4.711    158
       1880.86   4.707     88
       1516.85   3.796   1000
    

in CDCl3



liquid film