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MS-NW-5462 4-methoxy-3-buten-2-one C5H8O2 (Mass of molecular ion: 100)
Source Temperature: 250 °C Sample Temperature: 190 °C Reservoir, 75 eV
14.0 2.4 15.0 11.0 26.0 3.5 27.0 11.1 28.0 2.6 29.0 8.7 31.0 8.3 38.0 1.3 39.0 3.2 41.0 1.8 42.0 10.3 43.0 36.5 44.0 1.1 47.0 1.5 53.0 4.5 54.0 1.2 55.0 1.5 57.0 2.4 58.0 1.4 59.0 5.0 69.0 2.6 71.0 6.0 75.0 6.3 85.0 100.0 86.0 4.8 100.0 13.8 101.0 2.4 117.0 1.2
90 MHz in CDCl3
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1H NMR 89.56 MHz C5 H8 O2 0.04 ml : 0.5 ml CDCl3 4-methoxy-3-buten-2-one Assign. Shift(ppm)
A 7.574 B 5.590 C 3.713 D 2.192 J(A,B)=12.9HZ. J(A,C)=0.4HZ.
Hz ppm Int.
685.56 7.655 91 685.19 7.651 92 672.69 7.512 104 672.31 7.507 105 506.75 5.659 132 493.94 5.516 115 332.75 3.716 729 196.38 2.193 1000 195.31 2.181 151
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