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MassMS-NW-9946 diethylmalonic acid C7H12O4 (Mass of molecular ion: 160)
Source Temperature: 160 °C Sample Temperature: 100 °C Direct, 75 eV
15.0 1.7 17.0 3.6 18.0 19.4 26.0 2.9 27.0 29.9 28.0 9.7 29.0 35.4 31.0 3.9 38.0 2.1 39.0 26.2 40.0 4.1 41.0 51.6 42.0 7.5 43.0 39.6 44.0 29.5 45.0 54.1 46.0 1.7 50.0 1.1 51.0 1.8 53.0 9.2 54.0 2.5 55.0 56.4 56.0 3.7 57.0 26.6 58.0 1.4 59.0 10.0 60.0 1.5 65.0 1.0 67.0 3.7 68.0 5.1 69.0 35.7 70.0 4.0 71.0 11.1 72.0 1.6 73.0 28.2 74.0 2.0 81.0 4.7 82.0 1.2 83.0 20.5 84.0 2.1 85.0 3.8 86.0 46.9 87.0 27.8 88.0 30.1 89.0 1.4 95.0 4.9 96.0 4.9 97.0 7.4 98.0 13.5 99.0 47.5 100.0 2.7 101.0 98.6 102.0 5.6 113.0 22.2 114.0 100.0 115.0 12.4 116.0 27.6 117.0 10.2 127.0 1.9 131.0 2.7 132.0 77.0 133.0 4.5 142.0 1.0 143.0 3.7 161.0 3.7
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C7 H12 O4 0.033 g : 0.5 ml DMSO-d6 diethylmalonic acid 
Assign. Shift(ppm)
A 12.6 B 1.759 C 0.748
Hz ppm Int.714.53 1.788 111 707.02 1.770 395 699.33 1.750 406 692.00 1.732 124 306.44 0.767 447 299.11 0.749 1000 291.42 0.730 411 285.92 0.716 26
in DMSO-d6
KBr disc
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