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网站主页CAS数据库列表 487-06-9更多图谱5,7-二甲氧基香豆素(487-06-9)红外图谱(IR1)

5,7-二甲氧基香豆素

产品名称 5,7-二甲氧基香豆素

CAS号487-06-9

分子式C11H10O4

分子量206.19

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  • Mass

    MS-NW-8243          
    5,7-dimethoxycoumarin
    C11H10O4            (Mass of molecular ion:    206)
    

       Source Temperature: 160 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          15.0       1.9
          18.0       1.3
          38.0       3.4
          39.0       2.5
          43.0       1.0
          50.0       3.0
          51.0       3.7
          53.0       2.3
          59.0       2.2
          61.0       1.3
          62.0       2.5
          63.0       5.5
          64.0       2.9
          65.0       2.2
          66.0       2.7
          69.0       7.6
          74.0       1.7
          75.0       2.0
          76.0       4.5
          77.0       5.1
          78.0       1.1
          79.0       2.9
          89.0       6.5
          91.0       2.3
          92.0       6.3
         103.0       1.2
         104.0       1.2
         105.0       1.6
         107.0       3.3
         119.0       2.7
         120.0       4.5
         121.0       2.8
         133.0       3.2
         135.0      17.2
         136.0       1.7
         137.0       1.0
         147.0       2.0
         148.0       2.1
         149.0       4.0
         163.0      37.0
         164.0       4.7
         165.0       1.0
         175.0       1.2
         177.0       4.3
         178.0      72.6
         179.0       7.9
         206.0     100.0
         207.0      12.2
         208.0       1.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C11 H10 O4 0.040 g : 0.5 ml CDCl3
    5,7-dimethoxycoumarin
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.947 B 6.388 C 6.271 D 6.140 E *1 3.887 F *1 3.850

         Hz     ppm     Int.
    

       3181.27   7.961    153
       3180.79   7.959    152
       3171.63   7.937    158
       3171.14   7.935    158
       2554.08   6.391    152
       2552.12   6.386    161
       2507.45   6.275    196
       2505.37   6.269    177
       2458.62   6.152    221
       2448.97   6.128    219
       1553.59   3.888    945
       1538.70   3.851   1000
    

in CDCl3



KBr disc



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