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MassMS-IW-4170 1,4-dioxaspiro(4.5)decan-8-one C8H12O3 (Mass of molecular ion: 156)
Source Temperature: 240 °C Sample Temperature: 150 °C Reservoir, 75 eV
27.0 3.1 28.0 5.6 29.0 1.5 39.0 1.8 41.0 2.0 42.0 2.9 43.0 3.4 45.0 1.4 53.0 1.1 54.0 1.9 55.0 13.5 56.0 9.0 57.0 2.2 67.0 2.6 71.0 1.7 83.0 2.4 84.0 4.0 86.0 4.0 97.0 2.9 98.0 1.9 99.0 100.0 100.0 29.7 101.0 2.3 156.0 3.3
400 MHz in CDCl3
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1H NMR 399.65 MHz C8 H12 O3 0.036 g : 0.5 ml CDCl3 1,4-dioxaspiro(4.5)decan-8-one 
Assign. Shift(ppm)
A 4.037 B 2.512 C 2.019
Hz ppm Int.1613.53 4.038 1000 1011.47 2.531 132 1004.39 2.514 182 997.19 2.496 142 812.87 2.034 152 811.65 2.031 76 805.54 2.016 197 798.58 1.999 120
in CDCl3
KBr disc
nujol mull
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