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网站主页CAS数据库列表 586-30-1更多图谱3-羟基-4-甲基苯甲酸(586-30-1)核磁图(13CNMR)

3-羟基-4-甲基苯甲酸

产品名称 3-羟基-4-甲基苯甲酸

CAS号586-30-1

分子式C8H8O3

分子量152.15

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  • Mass

    MS-IW-9535          
    3-hydroxy-4-methylbenzoic acid
    C8H8O3              (Mass of molecular ion:    152)
    

       Source Temperature: 160 °C
       Sample Temperature: 130 °C
       Direct, 75 eV
    

          18.0       1.8
          27.0       5.0
          28.0       2.8
          29.0       1.2
          37.0       1.3
          38.0       3.5
          39.0      11.1
          40.0       1.0
          41.0       2.1
          43.0       2.4
          44.5       1.5
          45.0       2.2
          50.0       5.8
          51.0      12.1
          52.0       6.2
          53.0      10.2
          53.5       1.3
          55.0       3.0
          62.0       2.7
          63.0       4.2
          65.0       1.6
          66.0       1.7
          67.0       4.4
          67.5       1.2
          74.0       1.8
          75.0       1.9
          76.0       1.9
          77.0      26.5
          78.0       9.3
          79.0      16.3
          80.0       2.5
          89.0       1.4
          90.0       2.2
          92.0       1.1
          95.0       1.4
         105.0       6.0
         106.0      11.1
         107.0     100.0
         108.0      10.1
         123.0       3.2
         134.0       6.2
         135.0      41.2
         136.0       3.9
         151.0       8.0
         152.0      97.6
         153.0       8.9
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C8 H8 O3 0.037 g : 0.5 ml DMSO-d6
    3-hydroxy-4-methylbenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13. B 9.71 C 7.423 D 7.338 E 7.179 F 2.191

         Hz     ppm     Int.
    

       3879.01   9.707     33
       2967.64   7.426    276
       2965.94   7.422    320
       2937.94   7.352    142
       2936.45   7.348    130
       2930.25   7.333    175
       2928.75   7.329    171
       2873.20   7.190    202
       2872.77   7.189    198
       2865.50   7.171    159
       2864.86   7.169    166
        875.89   2.192   1000
    

in DMSO-d6



KBr disc



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