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7-Ethoxycoumarin

Product Name 7-Ethoxycoumarin

CAS31005-02-4

MFC11H10O3

MW190.2

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  • Mass

    MS-NW-6574          
    7-ethoxycoumarin
    C11H10O3            (Mass of molecular ion:    190)
    

       Source Temperature: 140 °C
       Sample Temperature: 110 °C
       Direct, 75 eV
    

          17.0       1.4
          18.0       5.8
          26.0       1.4
          27.0       7.5
          28.0       2.3
          29.0       8.5
          38.0       2.4
          39.0       4.9
          43.0       1.0
          44.5       2.0
          50.0       4.6
          51.0      13.6
          52.0       3.1
          53.0       1.7
          55.0       1.0
          61.0       1.1
          62.0       4.3
          63.0       9.4
          64.0       2.4
          65.0       2.7
          69.0       5.2
          74.0       1.2
          76.0       2.3
          77.0      10.5
          78.0      10.8
          79.0       2.3
          89.0       6.2
         105.0      10.9
         106.0       3.6
         133.0       4.5
         134.0     100.0
         135.0       9.2
         161.0       1.5
         162.0      37.1
         163.0       4.1
         190.0      68.1
         191.0       8.7
         192.0       1.0
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C11 H10 O3 0.048 g : 0.5 ml CDCl3
    7-ethoxycoumarin
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.627 B 7.35 C 6.82 D 6.77 E 6.228 F 4.084 G 1.452 J(A,E)=9.5 HZ.

         Hz     ppm     Int.
    

        688.31   7.686    264
        678.81   7.580    296
        663.75   7.412    140
        662.69   7.400     59
        662.25   7.395     58
        656.44   7.330    127
        654.75   7.311    197
        654.00   7.303    123
        616.44   6.883    163
        614.00   6.856    282
        608.50   6.795    149
        607.88   6.788    154
        606.69   6.775    559
        562.13   6.277    371
        552.81   6.173    318
        376.63   4.206    116
        369.50   4.126    400
        362.56   4.049    421
        355.63   3.971    140
        136.81   1.528    472
        129.88   1.451   1000
        122.81   1.372    411
    

in CDCl3



KBr disc



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