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MassMS-NW-7658 3,4-methylenedioxyphenol C7H6O3 (Mass of molecular ion: 138)
Source Temperature: 250 °C Sample Temperature: 170 °C Reservoir, 75 eV
26.0 2.4 27.0 2.4 28.0 3.3 29.0 2.6 38.0 1.9 39.0 3.3 41.0 1.2 42.0 1.9 50.0 5.1 51.0 10.8 52.0 23.1 53.0 10.8 54.0 2.8 55.0 3.3 62.0 2.3 63.0 1.6 65.0 1.3 68.0 1.7 68.5 2.4 69.0 10.5 79.0 5.2 80.0 12.7 81.0 5.1 82.0 2.7 107.0 4.4 108.0 2.9 109.0 1.3 137.0 68.0 138.0 100.0 139.0 8.4 140.0 1.0
90 MHz in CDCl3
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1H NMR 89.56 MHz C7 H6 O3 0.044 g : 0.5 ml CDCl3 3,4-methylenedioxyphenol 
Assign. Shift(ppm)
A 6.633 B 6.418 C 6.252 D 5.889 E 5.15 J(A,B)=0.4HZ, J(A,C)=8.3HZ, J(B,C)=2.5HZ
Hz ppm Int.599.25 6.692 114 598.81 6.687 103 591.00 6.599 168 590.56 6.595 164 576.38 6.436 118 576.00 6.432 124 573.88 6.408 178 573.50 6.404 146 564.19 6.300 158 561.69 6.272 108 555.88 6.207 98 553.38 6.179 76 527.44 5.890 1000 460.94 5.147 26
in CDCl3
KBr disc
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