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网站主页CAS数据库列表 2150-38-1更多图谱3,4-二甲氧基苯甲酸甲酯(2150-38-1)质谱(MS)

3,4-二甲氧基苯甲酸甲酯

产品名称 3,4-二甲氧基苯甲酸甲酯

CAS号2150-38-1

分子式C10H12O4

分子量196.2

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  • Mass

    MS-IW-7824          
    methyl veratrate
    C10H12O4            (Mass of molecular ion:    196)
    

       Source Temperature: 230 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       2.7
          28.0       1.4
          39.0       1.5
          50.0       2.8
          51.0       7.2
          52.0       1.4
          53.0       2.2
          59.0       6.1
          62.0       1.6
          63.0       3.0
          64.0       1.4
          65.0       2.2
          66.0       1.6
          69.0       1.2
          75.0       1.5
          76.0       2.5
          77.0       8.8
          78.0       1.3
          79.0      10.7
          80.0       1.4
          81.0       1.5
          82.5       1.1
          91.0       2.8
          92.0       3.8
          93.0       3.5
          94.0       5.8
          95.0       2.2
         105.0       1.1
         107.0       4.6
         108.0       1.0
         109.0       2.2
         110.0       1.3
         119.0       4.3
         120.0       2.2
         121.0       6.8
         122.0       6.5
         123.0       2.4
         125.0       6.9
         135.0       2.2
         136.0       2.5
         137.0      11.1
         138.0       1.8
         149.0       4.3
         151.0       1.5
         153.0       3.2
         165.0      89.9
         166.0       9.1
         167.0       1.1
         181.0      11.8
         182.0       1.2
         196.0     100.0
         197.0      11.0
         198.0       1.3
    

parameter in acetone-d6


  • 1H NMR 300 MHz
    C10 H12 O4 1.0 M in acetone-d6
    methyl veratrate
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.509 D(B) 7.000 D(C) 7.610 J(A,B) 0.30 J(A,C) 1.98 J(B,C) 8.36 D(D) 3.857 D(E) 3.876 D(F) 3.843 SCOTT,K.N. J.MAGN.RESON. 2, 361 (1970)

         Hz     ppm     Int.
    

       2288.29   7.628     77
       2286.36   7.621     86
       2279.93   7.600     84
       2277.99   7.593     96
       2253.66   7.512    155
       2251.70   7.506    137
       2104.11   7.014    147
       2095.74   6.986    134
       1162.80   3.876    994
       1157.11   3.857   1000
       1152.92   3.843    997
    

KBr disc



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