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MassMS-IW-5643 2-methyl-1,3-dioxolane C4H8O2 (Mass of molecular ion: 88)
Source Temperature: 220 °C Sample Temperature: 150 °C Reservoir, 75 eV
14.0 2.0 15.0 9.7 18.0 1.6 19.0 3.2 26.0 5.9 27.0 9.2 28.0 14.6 29.0 21.6 30.0 1.2 31.0 6.0 41.0 1.4 42.0 5.3 43.0 60.3 44.0 15.2 45.0 51.2 46.0 1.2 57.0 1.2 58.0 24.3 59.0 1.7 73.0 100.0 74.0 4.1 87.0 12.4
90 MHz in CDCl3
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1H NMR 89.56 MHz C4 H8 O2 0.02 ml : 0.5 ml CDCl3 2-methyl-1,3-dioxolane 
Assign. Shift(ppm)
A 4.978 B *1 3.966 C *1 3.857 D 1.371
Hz ppm Int.453.13 5.060 71 448.31 5.006 216 443.50 4.952 223 438.69 4.899 76 366.38 4.091 45 359.31 4.012 130 357.31 3.990 147 355.63 3.971 183 353.94 3.952 204 352.69 3.939 456 348.00 3.886 452 346.69 3.872 218 345.00 3.853 193 343.38 3.835 148 341.31 3.811 137 334.31 3.733 46 125.13 1.398 1000 122.94 1.373 37 121.75 1.360 36 120.31 1.344 970
in CDCl3
liquid film
UV IRRAD. IN DTBPO/ISOPENTANE, -107C
UV IRRAD. IN DTBPO/ISOPENTANE, -48C
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