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MassMS-IW-9162 ethyl 3-methoxypropionate C6H12O3 (Mass of molecular ion: 132)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 5.5 18.0 1.0 26.0 4.5 27.0 11.7 28.0 10.2 29.0 21.5 30.0 1.7 31.0 8.3 32.0 1.9 33.0 3.3 41.0 1.3 42.0 2.7 43.0 14.4 44.0 1.8 45.0 100.0 46.0 2.5 55.0 10.9 56.0 2.7 57.0 1.7 58.0 15.7 59.0 7.1 60.0 1.1 61.0 11.0 71.0 11.2 72.0 1.2 73.0 4.5 74.0 6.0 75.0 2.8 85.0 1.4 86.0 1.9 87.0 24.3 88.0 1.2 89.0 3.7 101.0 1.0 102.0 12.6 103.0 2.0 117.0 14.3
400 MHz in CDCl3
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1H NMR 399.65 MHz C6 H12 O3 0.05 ml : 0.5 ml CDCl3 ethyl 3-methoxypropionate 
Assign. Shift(ppm)
A 4.160 B 3.662 C 3.356 D 2.568 E 1.267
Hz ppm Int.1673.34 4.188 129 1666.14 4.169 342 1658.94 4.151 339 1651.86 4.134 130 1469.85 3.678 275 1465.94 3.669 28 1463.50 3.662 476 1457.15 3.647 276 1347.66 3.373 28 1341.31 3.357 1000 1338.38 3.349 45 1032.71 2.585 250 1026.49 2.569 421 1020.02 2.553 229 513.79 1.286 429 506.71 1.268 679 499.51 1.250 412
in CDCl3
liquid film
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