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MassMS-IW-2180 2,2'-isopropylidenedifuran C11H12O2 (Mass of molecular ion: 176)
Source Temperature: 220 °C Sample Temperature: 160 °C Reservoir, 75 eV
27.0 2.6 38.0 1.0 39.0 6.1 41.0 2.8 43.0 1.1 51.0 3.4 52.0 1.2 53.0 3.2 55.0 2.4 63.0 2.0 65.0 3.6 66.0 1.4 77.0 6.5 78.0 1.9 79.0 4.9 80.5 3.3 81.0 2.5 91.0 2.1 93.0 2.6 103.0 3.0 104.0 1.1 105.0 6.1 109.0 1.9 115.0 1.6 119.0 1.4 131.0 2.1 132.0 1.2 133.0 1.1 161.0 100.0 162.0 11.3 163.0 1.0 176.0 22.1 177.0 2.9
400 MHz in CDCl3
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1H NMR 399.65 MHz C11 H12 O2 0.05 ml : 0.5 ml CDCl3 2,2'-isopropylidenedifuran 
Assign. Shift(ppm)
A 7.283 B 6.251 C 6.011 D 1.631 J(A,B)=2.0HZ J(A,C)=0.9HZ J(B,C)=3.3HZ
Hz ppm Int.2912.11 7.287 304 2911.25 7.285 299 2910.28 7.283 291 2909.42 7.280 275 2500.85 6.258 276 2498.90 6.253 275 2497.56 6.250 284 2495.73 6.245 273 2404.30 6.017 303 2403.44 6.014 284 2401.12 6.009 272 2400.15 6.006 261 652.10 1.632 1000
in CDCl3
liquid film
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