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MassMS-NW-6565 fluorescein diacetate C24H16O7 (Mass of molecular ion: 416)
Source Temperature: 210 °C Sample Temperature: 180 °C Direct, 75 eV
14.0 3.3 15.0 8.4 17.0 1.0 18.0 4.6 28.0 3.8 39.0 1.2 41.0 1.3 42.0 5.6 43.0 47.0 44.0 1.6 50.0 1.5 51.0 1.5 63.0 3.8 69.0 2.8 74.0 1.5 75.0 3.1 76.0 7.6 77.0 1.8 87.0 1.3 104.0 4.6 115.0 1.0 126.0 1.0 139.0 3.5 150.0 2.0 151.0 1.7 152.0 1.1 155.0 1.1 163.0 2.1 174.0 1.5 175.0 1.8 176.0 3.4 183.0 2.0 187.0 2.8 188.0 1.5 189.0 4.7 190.0 1.3 199.0 1.9 200.0 6.7 201.0 5.7 202.0 13.4 203.0 3.0 205.0 1.2 211.0 1.0 213.0 3.9 214.0 1.1 229.0 3.7 230.0 1.7 231.0 3.2 242.0 1.9 247.0 1.1 258.0 11.0 259.0 10.4 260.0 2.3 270.0 5.6 271.0 37.5 272.0 8.4 273.0 1.3 275.0 1.6 286.0 2.5 287.0 100.0 288.0 56.7 289.0 9.1 290.0 1.1 303.0 4.5 304.0 2.7 312.0 1.1 313.0 14.2 314.0 4.4 329.0 11.9 330.0 36.6 331.0 7.9 332.0 3.2 372.0 12.4 373.0 4.8 374.0 1.2
90 MHz in CDCl3
400 MHz in CDCl3
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1H NMR 89.56 MHz C24 H16 O7 0.048 g : 0.5 ml CDCl3 fluorescein diacetate 
Assign. Shift(ppm)
A 8.017 B 7.69 C 7.60 D 7.19 E 7.093 F 6.82 G 6.81 J 2.297
Hz ppm Int.715.00 7.984 33 714.19 7.975 31 690.19 7.707 39 688.50 7.688 54 685.06 7.650 72 681.31 7.608 52 679.88 7.592 39 646.38 7.218 33 636.63 7.109 100 635.38 7.095 183 633.94 7.079 128 611.31 6.826 438 610.06 6.812 293 205.69 2.297 1000
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1H NMR 399.65 MHz C24 H16 O7 0.027 g : 0.5 ml CDCl3 fluorescein diacetate Assign. Shift(ppm)
A 8.034 B 7.684 C 7.638 D 7.190 E 7.100 F 6.83 G 6.82 J 2.309 90MHZ : HSP-03-340
Hz ppm Int.3214.97 8.045 38 3214.48 8.044 42 3213.50 8.041 34 3208.13 8.028 35 3207.52 8.026 42 3206.91 8.025 42 3206.18 8.023 35 3073.00 7.690 52 3071.66 7.686 47 3065.55 7.671 43 3064.21 7.668 39 3059.45 7.656 38 3058.23 7.653 44 3052.00 7.637 48 3050.78 7.634 54 2877.56 7.201 33 2876.71 7.199 44 2876.34 7.198 45 2875.73 7.196 37 2870.12 7.182 34 2869.14 7.180 49 2868.16 7.177 32 2837.52 7.101 136 2836.67 7.098 170 2835.57 7.096 144 2834.84 7.094 150 2735.96 6.846 31 2728.15 6.827 259 2727.29 6.825 270 2726.81 6.823 273 2724.85 6.819 203 2716.19 6.797 31 922.73 2.309 1000
in CDCl3
KBr disc
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