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MassMS-IW-9546 1-acetyl-2-pyrrolidinone C6H9NO2 (Mass of molecular ion: 127)
Source Temperature: 230 °C Sample Temperature: 150 °C Reservoir, 75 eV
15.0 4.7 26.0 1.3 27.0 3.9 28.0 9.4 29.0 1.8 30.0 8.2 39.0 2.9 40.0 1.3 41.0 9.5 42.0 10.8 43.0 100.0 44.0 4.5 55.0 1.8 56.0 7.8 57.0 4.8 58.0 2.0 69.0 3.1 71.0 1.3 72.0 1.3 84.0 10.8 85.0 9.3 86.0 13.3 98.0 2.4 99.0 15.4 112.0 1.0 127.0 20.7 128.0 1.8
400 MHz in CDCl3
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1H NMR 399.65 MHz C6 H9 N O2 0.05 ml : 0.5 ml CDCl3 1-acetyl-2-pyrrolidinone 
Assign. Shift(ppm)
A 3.807 B 2.612 C 2.483 D 2.061
Hz ppm Int.1528.93 3.826 259 1521.73 3.808 306 1514.40 3.790 258 1052.12 2.633 279 1044.07 2.613 471 1035.89 2.592 326 992.55 2.484 1000 839.36 2.101 84 833.98 2.087 37 831.54 2.081 158 831.05 2.080 172 826.17 2.068 51 824.58 2.064 193 823.73 2.062 201 823.12 2.060 168 816.53 2.044 179 808.59 2.024 67
in CDCl3
liquid film
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