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100-09-4

4-Methoxybenzoic acid

Product Name 4-Methoxybenzoic acid

CAS100-09-4

MFC8H8O3

MW152.15

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  • 100-09-4_ms
    Mass 

    MS-IW-8017          
anisic acid
C8H8O3              (Mass of molecular ion:    152)


       Source Temperature: 220 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV


          18.0       1.0
      27.0       1.5
      28.0       1.4
      31.0       1.0
      38.0       2.4
      39.0       3.4
      45.0       1.0
      50.0       3.8
      51.0       2.8
      53.0       3.3
      62.0       2.2
      63.0       6.5
      64.0       6.3
      65.0       4.3
      74.0       2.1
      75.0       1.7
      76.0       2.0
      77.0      18.3
      78.0       2.4
      79.0       2.1
      81.0       5.1
      92.0       9.4
      93.0       1.1
     105.0       2.2
     107.0      15.7
     108.0       1.5
     109.0       3.3
     135.0     100.0
     136.0       9.0
     137.0       1.1
     152.0      94.9
     153.0       8.6

400 MHz in DMSO-d6

90 MHz in DMSO-d6

  • 100-09-4_1hnmr_2

    1H NMR 399.65 MHz
    C8 H8 O3 0.038 g : 0.5 ml DMSO-d6
    anisic acid
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A            12.7
      B             7.932
      C             7.035
      D             3.841
  

         Hz     ppm     Int.


       5065.47  12.675     37
   3177.57   7.951     38
   3174.82   7.945    256
   3172.81   7.939     87
   3170.43   7.934     22
   3168.05   7.928     90
   3166.03   7.923    262
   3163.29   7.916     32
   2818.93   7.054     40
   2816.18   7.047    265
   2814.17   7.042     89
   2809.22   7.030     85
   2807.21   7.025    245
   2804.46   7.018     30
   1535.30   3.842   1000

  • 100-09-4_1hnmr

    1H NMR 89.56 MHz
    C8 H8 O3 0.041 g : 0.5 ml DMSO-d6
    anisic acid
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A            13.
      B             7.914
      C             7.027
      D             3.836
  

         Hz     ppm     Int.


        714.01   7.973    241
    711.88   7.949     74
    707.09   7.896     72
    704.96   7.872    304
    702.22   7.841     37
    636.34   7.106     23
    633.52   7.074    238
    631.38   7.050     67
    626.60   6.997     54
    624.55   6.974    189
    343.59   3.837   1000

in DMSO-d6

KBr disc

nujol mull

4880 A,200 M,powder

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