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网站主页CAS数据库列表 120-08-1更多图谱6,7-二甲氧基香豆素(120-08-1)红外图谱(IR2)

6,7-二甲氧基香豆素

产品名称 6,7-二甲氧基香豆素

CAS号120-08-1

分子式C11H10O4

分子量206.19


  • Mass

    MS-IW-0912          
    6,7-dimethoxycoumarin
    C11H10O4            (Mass of molecular ion:    206)
    

       Source Temperature: 130 °C
       Sample Temperature: 100 °C
       Direct, 75 eV
    

          50.0       1.3
          51.0       3.0
          53.0       1.1
          55.0       1.8
          59.0       1.1
          63.0       1.4
          69.0       6.9
          76.0       1.0
          77.0       2.3
          79.0       5.6
          89.0       1.7
          92.0       2.7
          95.0       1.0
         103.0       1.4
         105.0       1.2
         107.0       8.0
         117.0       1.8
         119.0       1.9
         120.0       3.7
         121.0       1.3
         133.0       1.0
         135.0       9.8
         145.0       2.8
         148.0       2.1
         149.0       3.3
         163.0      17.7
         164.0       2.3
         178.0      12.9
         179.0       1.4
         190.0       1.0
         191.0      39.7
         192.0       6.1
         206.0     100.0
         207.0      12.0
         208.0       1.4
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C11 H10 O4 0.02 g : 0.5 ml CDCl3
    6,7-dimethoxycoumarin
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.62 B 6.862 C 6.836 D 6.28 E *1 3.949 F *1 3.922

         Hz     ppm     Int.
    

        687.75   7.680    131
        678.38   7.575    152
        614.69   6.864    301
        612.31   6.837    278
        610.06   6.812     41
        567.13   6.333    188
        557.69   6.228    160
        358.75   4.006     42
        353.75   3.950   1000
        351.31   3.923    970
        347.69   3.883     43
        346.94   3.874     36
        346.44   3.869     32
        345.56   3.859     29
    

in CDCl3



KBr disc



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