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MassMS-NW-6629 2-ethyl-3-methoxypyrazine C7H10N2O (Mass of molecular ion: 138)
Source Temperature: 260 °C Sample Temperature: 190 °C Reservoir, 75 eV
15.0 6.5 18.0 1.1 26.0 5.7 27.0 7.3 28.0 9.6 29.0 6.5 37.0 1.6 38.0 3.5 39.0 11.3 40.0 23.9 41.0 10.7 42.0 8.7 43.0 1.0 50.0 1.1 51.0 2.6 52.0 9.8 53.0 9.8 54.0 10.3 55.0 2.2 56.0 12.6 65.0 1.4 66.0 3.3 67.0 4.0 68.0 15.8 69.0 3.9 78.0 1.4 79.0 5.1 80.0 12.8 81.0 9.7 82.0 2.4 83.0 1.0 93.0 14.2 94.0 2.5 95.0 16.1 96.0 2.8 105.0 5.4 106.0 4.4 107.0 20.4 108.0 13.5 109.0 14.7 110.0 2.3 111.0 4.4 119.0 12.1 120.0 1.9 121.0 1.1 123.0 66.5 124.0 5.3 137.0 30.4 138.0 100.0 139.0 9.0
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H10 N2 O 0.05 ml : 0.5 ml CDCl3 2-ethyl-3-methoxypyrazine 
Assign. Shift(ppm)
A 8.015 B 7.921 C 3.970 D 2.821 E 1.267
Hz ppm Int.3204.86 8.020 190 3202.12 8.013 214 3167.13 7.925 188 3164.20 7.918 165 1586.95 3.971 1000 1139.11 2.851 88 1131.60 2.832 246 1124.09 2.813 252 1116.58 2.794 96 513.97 1.287 401 506.46 1.268 670 498.95 1.249 397
in CDCl3
liquid film
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