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2-氨基-4,5-二甲氧基苯甲酸

产品名称 2-氨基-4,5-二甲氧基苯甲酸

CAS号5653-40-7

分子式C9H11NO4

分子量197.19


  • Mass

    MS-IW-0795          
    2-amino-4,5-dimethoxybenzoic acid
    C9H11NO4            (Mass of molecular ion:    197)
    

       Source Temperature: 150 °C
       Sample Temperature: 150 °C
       Direct, 75 eV
    

          17.0       1.3
          18.0       7.2
          28.0       2.7
          39.0       3.9
          41.0       1.6
          44.0       3.1
          50.0       1.0
          51.0       2.1
          52.0       4.9
          53.0       3.2
          58.0       2.5
          63.0       1.6
          65.0       3.1
          66.0       1.3
          67.0       1.1
          68.0       2.7
          76.0       1.0
          77.0       1.8
          78.0       2.0
          79.0       1.0
          80.0       2.4
          81.0       1.0
          82.0       2.3
          90.0       1.8
          92.0       1.3
          93.0       3.9
          94.0       5.5
          95.0       1.3
          98.5       1.1
         106.0       1.6
         108.0       8.7
         109.0       2.5
         110.0       3.8
         120.0       1.0
         121.0       1.0
         122.0       1.1
         125.0       2.2
         133.0       1.1
         134.0       1.9
         136.0      26.1
         137.0       2.8
         138.0       4.7
         151.0       1.9
         152.0       4.0
         153.0       5.6
         154.0       1.5
         164.0      54.4
         165.0       5.2
         179.0      18.7
         180.0       3.2
         181.0       1.3
         182.0      75.7
         183.0       7.1
         197.0     100.0
         198.0      10.7
         199.0       1.3
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C9 H11 N O4 0.034 g : 0.5 ml DMSO-d6
    2-amino-4,5-dimethoxybenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.5 B 7.155 C 6.346 D *1 3.744 E *1 3.649

         Hz     ppm     Int.
    

       2859.50   7.156    369
       2536.25   6.347    300
       1496.58   3.745    825
       1458.25   3.649   1000
    

in DMSO-d6



KBr disc



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