2-Piperidone(675-20-7) 1H NMR
Product Name2-Piperidone
CAS675-20-7
Molecular FormulaC5H9NO
Molecular Weight99.13
InChIInChI=1S/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7)
InChIKey XUWHAWMETYGRKB-UHFFFAOYSA-N
SmilesN1CCCCC1=O
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MassMS-NW-8654 2-piperidone C5H9NO (Mass of molecular ion: 99)
Source Temperature: 260 °C Sample Temperature: 140 °C Reservoir, 75 eV
15.0 1.5 18.0 1.0 26.0 2.5 27.0 10.9 28.0 29.8 29.0 5.9 30.0 50.7 38.0 1.7 39.0 11.4 40.0 4.1 41.0 40.6 42.0 46.8 43.0 39.0 44.0 3.4 53.0 2.0 54.0 3.0 55.0 27.4 56.0 12.9 57.0 1.0 58.0 5.5 68.0 1.6 70.0 22.8 71.0 9.8 82.0 1.8 98.0 17.9 99.0 100.0 100.0 7.1
90 MHz in CDCl3
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1H NMR 89.56 MHz C5 H9 N O 0.044 g : 0.5 ml CDCl3 2-piperidone 
Assign. Shift(ppm)
A 7.4 B 3.31 C 2.34 D 2.00 to 1.52
Hz ppm Int.303.31 3.387 137 302.69 3.380 140 300.81 3.359 226 300.31 3.354 230 298.81 3.337 241 297.31 3.320 383 296.94 3.316 381 295.31 3.298 411 291.81 3.259 257 289.44 3.232 152 217.88 2.433 94 216.75 2.421 174 215.00 2.401 164 213.13 2.380 262 212.00 2.368 228 210.38 2.350 627 209.06 2.335 358 207.31 2.315 289 205.50 2.295 255 204.06 2.279 285 203.69 2.275 290 173.31 1.936 77 170.38 1.903 78 167.69 1.873 129 164.94 1.842 434 162.13 1.811 859 158.94 1.775 1000 155.31 1.735 712 152.38 1.702 376 149.00 1.664 69 148.44 1.658 72 147.56 1.648 77 147.25 1.645 75
in CDCl3
CCl4 solution
liquid film
