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MS-NW-7129 2-isobutyl-3-methylpyrazine C9H14N2 (Mass of molecular ion: 150)
Source Temperature: 270 °C Sample Temperature: 190 °C Reservoir, 75 eV
15.0 1.3 18.0 1.4 26.0 3.6 27.0 6.5 28.0 2.0 29.0 1.1 38.0 1.2 39.0 9.3 40.0 4.7 41.0 9.7 42.0 8.3 43.0 6.2 51.0 1.5 52.0 2.9 53.0 3.8 54.0 1.3 65.0 1.1 66.0 3.1 67.0 9.8 68.0 1.8 80.0 2.1 81.0 1.3 82.0 2.0 93.0 3.8 94.0 2.2 107.0 10.3 108.0 100.0 109.0 7.6 119.0 1.1 135.0 14.2 136.0 1.4 149.0 3.6 150.0 3.8
90 MHz in CDCl3
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1H NMR 89.56 MHz C9 H14 N2 0.04 ml : 0.5 ml CDCl3 2-isobutyl-3-methylpyrazine Assign. Shift(ppm)
A *1 8.33 B *1 8.28 C 2.695 D 2.574 E 2.22 F 0.972 J(A,B)=2.7HZ J(C,E)=7.1HZ J(E,F)=6.5HZ
Hz ppm Int.
748.19 8.355 73 745.69 8.327 160 742.38 8.290 201 739.75 8.260 83 245.75 2.744 190 238.69 2.666 293 230.56 2.575 787 227.38 2.539 32 201.69 2.253 40 195.00 2.178 48 188.31 2.103 38 187.38 2.093 30 90.13 1.007 1000 83.63 0.934 847
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