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MassMS-IW-9100 methyl 3-trimethylsilyloxy-2-butenoate C8H16O3Si (Mass of molecular ion: 188)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 3.8 27.0 1.6 28.0 2.0 29.0 2.8 31.0 1.7 39.0 3.5 42.0 1.9 43.0 20.9 44.0 4.4 45.0 17.7 46.0 1.2 47.0 3.6 55.0 1.8 57.0 1.3 58.0 2.4 59.0 22.5 60.0 2.1 61.0 2.9 67.0 1.5 69.0 5.0 71.0 3.7 72.0 5.1 73.0 68.0 74.0 6.7 75.0 13.1 77.0 1.5 79.0 1.1 84.0 3.5 85.0 2.3 89.0 86.8 90.0 7.3 91.0 4.1 99.0 7.1 101.0 1.4 105.0 13.2 106.0 1.3 113.0 1.9 114.0 1.6 115.0 4.2 116.0 1.0 131.0 1.1 141.0 2.5 143.0 1.4 147.0 7.1 148.0 1.1 156.0 3.7 157.0 21.2 158.0 3.3 159.0 1.0 173.0 100.0 174.0 13.0 175.0 4.7 188.0 2.8
400 MHz in CDCl3
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1H NMR 399.65 MHz C8 H16 O3 Si 0.05 ml : 0.5 ml CDCl3 methyl 3-trimethylsilyloxy-2-butenoate 
Assign. Shift(ppm)
A 5.139 B 3.658 C 2.268 D 0.270
Hz ppm Int.2054.20 5.140 141 2053.47 5.139 136 1462.16 3.659 575 906.98 2.270 436 906.37 2.268 408 111.45 0.279 185 108.15 0.271 1000 104.74 0.263 127
in CDCl3
liquid film
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