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MassMS-IW-2616 2-acetyl-5-methylthiophene C7H8OS (Mass of molecular ion: 140)
Source Temperature: 220 °C Sample Temperature: 160 °C Reservoir, 75 eV
15.0 1.2 27.0 2.8 38.0 1.3 39.0 3.9 43.0 10.2 45.0 10.1 50.0 1.6 51.0 2.9 52.0 1.1 53.0 24.8 54.0 1.1 57.0 2.0 58.0 1.8 59.0 2.6 62.0 1.1 63.0 1.4 69.0 4.9 70.0 2.5 71.0 2.2 82.0 1.2 95.0 1.9 96.0 1.4 97.0 15.1 98.0 1.1 125.0 100.0 126.0 7.7 127.0 5.1 140.0 43.9 141.0 3.8 142.0 2.2
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H8 O S 0.05 ml : 0.5 ml CDCl3 2-acetyl-5-methylthiophene 
Assign. Shift(ppm)
A 7.506 B 6.787 C 2.509 D 2.481 J(A,B)=3.8HZ J(B,D)=1.0HZ
Hz ppm Int.3001.59 7.511 250 2997.80 7.502 251 2715.21 6.794 139 2714.36 6.792 207 2713.38 6.790 170 2712.40 6.787 95 2711.55 6.785 135 2710.57 6.783 197 2709.59 6.780 160 1012.08 2.533 21 1002.56 2.509 881 992.07 2.483 993 991.21 2.481 1000
in CDCl3
liquid film
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