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4-(4-Methoxyphenyl)butyric acid

Product Name 4-(4-Methoxyphenyl)butyric acid

CAS4521-28-2

MFC11H14O3

MW194.23

¹³CNMR

Mass

MS-IW-0730          
4-(p-methoxyphenyl)butyric acid
C11H14O3            (Mass of molecular ion:    194)

   Source Temperature: 190 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      17.0       1.8
      18.0       9.8
      39.0       1.3
      43.0       1.2
      45.0       1.2
      51.0       1.7
      60.0       1.1
      65.0       2.2
      77.0       5.3
      78.0       3.1
      89.0       1.0
      91.0       5.4
     119.0       4.3
     121.0     100.0
     122.0       9.1
     134.0      48.3
     135.0       5.2
     194.0      29.4
     195.0       3.7

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₁₁ H₁₄ O₃	0.038 g : 0.5 ml DMSO-d₆
4-(p-methoxyphenyl)butyric acid

    Assign.     Shift(ppm)

      A            12.1
      B             7.099
      C             6.849
      D             3.719
      E             2.512
      F             2.198
      G             1.764

     Hz     ppm     Int.

   2842.19   7.112    170
   2840.18   7.107     64
   2835.60   7.096     67
   2833.59   7.091    203
   2830.66   7.083     31
   2741.64   6.861    234
   2739.44   6.855     78
   2735.04   6.844     68
   2732.84   6.839    208
   1486.58   3.720   1000
   1007.60   2.522    169
   1005.77   2.517    170
   1003.75   2.512    184
   1001.92   2.507    149
   1000.27   2.503    151
    886.53   2.219     95
    879.20   2.200    192
    871.69   2.182    114
    712.52   1.783     81
    704.82   1.764    103
    697.50   1.746     75

in DMSO-d6

KBr disc

nujol mull

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