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6-Aminofluorescein

CAS51649-83-3

MFC20H13NO5

MW347.32

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  • Mass

    MS-NW-2834          
    6-aminofluorescein
    C20H13NO5           (Mass of molecular ion:    347)
    

       Source Temperature: 250 °C
       Sample Temperature: 270 °C
       Direct, 75 eV
    

          17.0       2.0
          18.0      10.0
          27.0       1.5
          28.0       7.1
          29.0       1.3
          31.0       1.6
          32.0       1.0
          39.0       2.0
          41.0       1.8
          44.0       7.2
          51.0       1.9
          52.0       1.3
          62.0       1.5
          63.0       3.7
          64.0       1.9
          65.0       1.2
          69.0       1.8
          74.0       1.2
          75.0       1.9
          76.0       1.2
          77.0       1.2
          87.0       1.6
          88.0       2.3
          89.0       1.3
          91.0       5.7
          94.0       1.1
          94.5       2.9
          95.0       1.1
          95.5       1.4
         100.0       3.0
         100.5       1.1
         101.0       2.3
         102.0       1.5
         107.5       1.0
         108.5       3.3
         109.0       1.6
         110.0       1.2
         114.0       1.8
         114.5       1.2
         115.0       1.7
         119.0       4.1
         122.0       1.0
         123.0       1.5
         128.5       1.3
         129.0       2.0
         136.5       3.7
         137.0       3.7
         137.5       1.5
         139.0       1.1
         143.0       5.9
         143.5       1.6
         145.5       3.1
         150.0       1.2
         151.0      15.1
         151.5      11.7
         152.0       3.6
         154.0       1.0
         163.0       1.9
         165.0       1.1
         176.0       1.8
         187.0       1.2
         188.0       1.1
         189.0       4.6
         190.0       1.9
         191.0       1.1
         200.0       2.8
         201.0       2.3
         202.0       3.2
         203.0       1.4
         204.0       1.8
         213.0       3.8
         214.0       1.4
         216.0       1.5
         217.0       2.9
         218.0       1.7
         227.0       1.0
         228.0       1.5
         229.0       2.1
         244.0       2.1
         245.0       1.9
         246.0       2.2
         257.0       1.6
         258.0       4.6
         259.0       2.0
         272.0       1.3
         273.0       6.4
         274.0       8.0
         275.0       3.9
         285.0       2.3
         286.0      25.7
         287.0      49.2
         288.0      10.3
         289.0       1.6
         290.0       1.0
         301.0       3.3
         302.0      89.3
         303.0     100.0
         304.0      19.8
         305.0       2.8
         318.0       1.5
         331.0       1.1
         346.0       1.3
         347.0       2.0
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C20 H13 N O5 0.045 g : 0.5 ml DMSO-d6
    6-aminofluorescein
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.09 B 7.592 C 6.764 D 6.68 E 6.67 F 6.605 G 6.28 J 6.128 J(B,C)=8.4HZ J(C,J)=1.8HZ J(D,F)=8.8HZ J(E,F)=2.4HZ

         Hz     ppm     Int.
    

       4034.43  10.095    692
       3038.73   7.604    293
       3030.31   7.583    312
       2708.67   6.778    193
       2706.83   6.774    191
       2703.54   6.765     31
       2700.24   6.757    187
       2698.23   6.752    194
       2684.49   6.718     30
       2683.21   6.714     30
       2673.68   6.691    532
       2668.92   6.679    709
       2666.54   6.673    880
       2665.07   6.669   1000
       2660.13   6.657     46
       2659.03   6.654     40
       2658.66   6.653     42
       2658.30   6.652     41
       2656.83   6.648     34
       2655.91   6.646     37
       2655.18   6.644     34
       2654.82   6.643     34
       2654.45   6.642     33
       2644.37   6.617    500
       2641.99   6.611    403
       2638.51   6.603     47
       2635.58   6.595    293
       2633.38   6.590    281
       2511.21   6.284    371
       2450.22   6.131    327
       2448.39   6.127    323
    

in DMSO-d6



KBr disc