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MassMS-IW-9075 dimethyl (S)-methylsuccinate C7H12O4 (Mass of molecular ion: 160)
Source Temperature: 200 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 14.1 27.0 3.5 28.0 5.2 29.0 6.4 31.0 1.7 39.0 5.9 40.0 1.6 41.0 15.6 42.0 9.0 43.0 5.4 45.0 2.0 55.0 6.1 56.0 1.6 58.0 1.7 59.0 100.0 60.0 3.0 69.0 14.6 70.0 1.2 72.0 1.6 74.0 6.2 85.0 1.5 87.0 13.5 99.0 1.5 100.0 20.1 101.0 22.6 102.0 1.4 128.0 28.1 129.0 43.5 130.0 3.1
400 MHz in CDCl3
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1H NMR 399.65 MHz C7 H12 O4 0.05 ml : 0.5 ml CDCl3 dimethyl (S)-methylsuccinate 
Assign. Shift(ppm)
A *1 3.702 B *1 3.684 C 2.927 D *2 2.746 E *2 2.424 F 1.227
Hz ppm Int.1479.61 3.703 1000 1472.29 3.684 927 1181.27 2.956 43 1175.17 2.941 52 1174.19 2.939 65 1173.22 2.936 59 1167.97 2.923 57 1167.11 2.921 73 1166.02 2.918 60 1159.91 2.903 56 1110.23 2.779 117 1102.05 2.758 89 1093.75 2.737 140 1085.57 2.717 120 979.13 2.450 131 973.14 2.435 124 962.65 2.409 104 956.54 2.394 99 494.02 1.237 608 486.82 1.219 597
in CDCl3
liquid film
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