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MassMS-NW-5552 methyl methacrylate C5H8O2 (Mass of molecular ion: 100)
Source Temperature: 250 °C Sample Temperature: 190 °C Reservoir, 75 eV
15.0 12.1 26.0 1.6 27.0 2.4 28.0 1.9 29.0 2.9 31.0 1.4 33.0 1.0 37.0 2.6 38.0 5.7 39.0 37.1 40.0 9.7 41.0 100.0 42.0 5.1 43.0 1.6 45.0 1.4 53.0 1.4 54.0 1.0 55.0 4.7 56.0 2.4 59.0 8.0 68.0 1.2 69.0 63.1 70.0 3.3 82.0 2.3 85.0 3.7 99.0 8.1 100.0 27.4 101.0 1.7
90 MHz in CDCl3
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1H NMR 89.56 MHz C5 H8 O2 0.04 ml : 0.5 ml CDCl3 methyl methacrylate 
Assign. Shift(ppm)
A 6.098 B 5.554 C 3.752 D 1.946 J(A,B)=1.7HZ, J(A,D)=-1.0HZ, J(B,D)=-1.6HZ
Hz ppm Int.547.63 6.115 60 546.63 6.104 74 545.94 6.096 77 544.94 6.085 66 544.00 6.075 28 499.19 5.574 69 497.56 5.556 104 495.94 5.538 71 494.31 5.520 23 336.06 3.753 1000 175.69 1.962 241 174.69 1.951 286 174.13 1.945 281 173.13 1.934 245
in CDCl3
CCl4 solution
liquid film
4880 A,200 M,liquid
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