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MassMS-NW-4638 2-methyl-3-(methylthio)pyrazine C6H8N2S (Mass of molecular ion: 140)
Source Temperature: 250 °C Sample Temperature: 170 °C Reservoir, 75 eV
15.0 4.8 18.0 1.1 26.0 5.2 27.0 3.2 28.0 3.0 37.0 2.1 38.0 3.6 39.0 10.6 40.0 7.9 41.0 5.8 42.0 23.2 44.0 1.1 45.0 9.9 46.0 3.5 47.0 3.0 51.0 2.1 52.0 8.3 53.0 2.7 54.0 1.9 57.0 8.7 58.0 2.9 59.0 1.9 61.0 1.1 64.0 1.4 65.0 2.5 66.0 11.6 67.0 8.3 68.0 3.8 69.0 2.7 70.0 3.8 71.0 4.7 72.0 5.2 73.0 10.9 74.0 1.8 79.0 2.6 80.0 2.2 81.0 7.1 82.0 1.2 83.0 1.7 84.0 19.5 85.0 1.5 86.0 1.1 92.0 1.0 93.0 18.5 94.0 16.6 95.0 6.2 96.0 1.1 98.0 7.0 99.0 1.1 106.0 20.9 107.0 37.5 108.0 3.4 124.0 2.1 125.0 27.5 126.0 2.1 127.0 1.4 139.0 12.2 140.0 100.0 141.0 8.9 142.0 4.8
90 MHz in CDCl3
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1H NMR 89.56 MHz C6 H8 N2 S 0.04 ml : 0.5 ml CDCl3 2-methyl-3-(methylthio)pyrazine 
Assign. Shift(ppm)
A 8.21 B 8.08 C 2.55 D 2.48 J(A,B)=2.7HZ.
Hz ppm Int.736.75 8.227 53 736.06 8.219 50 734.00 8.196 79 733.38 8.189 73 724.63 8.092 104 721.94 8.061 76 227.81 2.544 1000 222.69 2.487 530 222.25 2.482 533
in CDCl3
liquid film
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