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MassMS-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
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1H NMR 399.65 MHz C20 H13 N O5 0.045 g : 0.5 ml DMSO-d6 6-aminofluorescein 
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
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