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网站主页CAS数据库列表 39971-36-3更多图谱METHYL 5-ACETYL-2-METHOXYBENZOATE(39971-36-3)质谱(MS)

METHYL 5-ACETYL-2-METHOXYBENZOATE

产品名称 METHYL 5-ACETYL-2-METHOXYBENZOATE

CAS号39971-36-3

分子式C11H12O4

分子量208.21


  • Mass

    MS-IW-0844          
    methyl 5-acetyl-2-methoxybenzoate
    C11H12O4            (Mass of molecular ion:    208)
    

       Source Temperature: 120 °C
       Sample Temperature:  90 °C
       Direct, 75 eV
    

          28.0       1.1
          43.0       5.4
          45.0       1.8
          63.0       1.3
          75.0       1.1
          76.0       2.9
          77.0       2.6
          79.0       1.0
          91.0       4.0
         104.0       1.5
         105.0       1.5
         107.0       1.4
         119.0       6.6
         120.0       1.2
         121.0       1.1
         122.0       1.3
         133.0       4.6
         134.0       1.5
         135.0       1.8
         147.0       3.1
         150.0      10.6
         151.0       1.0
         161.0       1.0
         165.0      10.7
         166.0       1.0
         175.0       4.9
         176.0       2.3
         177.0      24.7
         178.0       2.8
         179.0       7.3
         193.0     100.0
         194.0      11.9
         195.0       1.5
         208.0      41.2
         209.0       5.2
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C11 H12 O4 0.036 g : 0.5 ml CDCl3
    methyl 5-acetyl-2-methoxybenzoate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.410 B 8.114 C 7.047 D *1 3.984 E *1 3.923 F 2.592

         Hz     ppm     Int.
    

       3362.30   8.414    180
       3359.99   8.408    184
       3248.78   8.130     97
       3246.34   8.123     92
       3239.99   8.108    101
       3237.55   8.101     98
       2820.92   7.059    148
       2812.01   7.037    144
       1592.41   3.985    870
       1568.12   3.924   1000
       1036.13   2.593    987
    

in CDCl3



KBr disc



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