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3-(4-甲氧基苯基)丙酸

CAS号1929-29-9

分子式C10H12O3

分子量180.2

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  • Mass

    MS-NW-6614          
    3-(p-methoxyphenyl)propionic acid
    C10H12O3            (Mass of molecular ion:    180)
    

       Source Temperature: 260 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          27.0       1.3
          39.0       3.1
          41.0       1.2
          45.0       1.0
          50.0       1.5
          51.0       3.2
          52.0       1.3
          63.0       2.5
          64.0       1.2
          65.0       3.7
          77.0       7.3
          78.0       4.0
          79.0       1.5
          89.0       1.4
          90.0       1.1
          91.0       7.3
          92.0       1.7
         103.0       1.6
         105.0       1.4
         119.0       2.4
         121.0     100.0
         122.0       9.1
         134.0       3.5
         135.0       1.1
         162.0       1.3
         180.0      25.4
         181.0       3.1
    

400 MHz in CDCl3

90 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C10 H12 O3 0.038 g : 0.5 ml CDCl3
    3-(p-methoxyphenyl)propionic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11. B 7.120 C 6.833 D 3.777 E 2.892 F 2.64 90MHZ:HSP-03-648

         Hz     ppm     Int.
    

       2850.25   7.132    165
       2848.24   7.127     60
       2843.66   7.116     61
       2841.46   7.110    195
       2734.86   6.844    225
       2732.84   6.839     72
       2728.26   6.827     64
       2726.25   6.822    201
       1509.48   3.778   1000
       1164.39   2.914     75
       1156.88   2.895    145
       1148.82   2.875    103
       1062.92   2.660    128
       1058.15   2.648     31
       1056.32   2.644    102
       1055.04   2.640    211
       1053.21   2.636     38
       1047.90   2.623     91
       1047.35   2.621     94
    


  • 1H NMR 89.56 MHz
    C10 H12 O3 0.044 g : 0.5 ml CDCl3
    3-(p-methoxyphenyl)propionic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11. B 7.105 C 6.834 D 3.771 E 2.88 F 2.647

         Hz     ppm     Int.
    

        642.24   7.172     85
        639.93   7.146     30
        635.74   7.099     36
        633.35   7.072    162
        615.23   6.870    202
        612.93   6.844     48
        608.57   6.796     34
        606.35   6.771    102
        337.78   3.772   1000
        259.59   2.899     59
        252.42   2.819     74
        242.85   2.712    101
        241.56   2.698     86
        236.61   2.642     68
        235.50   2.630    103
        232.17   2.593     32
        228.83   2.556     37
    

in CDCl3



KBr disc



nujol mull



4880 A,200 M,powder