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MassMS-IW-4102 2-methyl-4-oxovaleric acid C6H10O3 (Mass of molecular ion: 130)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 6.3 18.0 1.2 26.0 1.0 27.0 8.2 28.0 2.6 29.0 2.0 31.0 1.8 39.0 7.8 40.0 1.7 41.0 17.5 42.0 24.8 43.0 100.0 44.0 5.7 45.0 22.4 55.0 4.2 58.0 14.5 59.0 1.8 61.0 33.5 67.0 1.5 69.0 9.6 70.0 32.2 71.0 5.4 73.0 14.5 84.0 2.1 85.0 2.5 87.0 11.3 88.0 1.6 112.0 15.7 113.0 11.0 115.0 4.6 130.0 3.5
400 MHz in CDCl3
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1H NMR 399.65 MHz C6 H10 O3 0.05 ml : 0.5 ml CDCl3 2-methyl-4-oxovaleric acid 
Assign. Shift(ppm)
A 10.8 B 2.96 C *1 2.92 D *1 2.533 E 2.178 F 1.220
Hz ppm Int.1192.60 2.985 46 1184.54 2.964 87 1180.51 2.954 154 1176.84 2.945 199 1170.80 2.930 57 1163.29 2.911 147 1155.05 2.891 76 1026.83 2.570 34 1021.70 2.557 67 1017.86 2.547 156 1005.22 2.516 148 1001.19 2.506 44 870.77 2.179 1000 864.36 2.163 44 491.44 1.230 571 487.96 1.221 180 484.29 1.212 545 479.16 1.199 41
in CDCl3
liquid film
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