Product Name3,4-Dihydro-2H-pyran
CAS110-87-2
Molecular FormulaC5H8O
Molecular Weight84.12
InChIInChI=1S/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2
InChIKey BUDQDWGNQVEFAC-UHFFFAOYSA-N
SmilesC1OC=CCC1
Mass
MS-IW-3919 3,4-dihydro-2H-pyran C5H8O (Mass of molecular ion: 84)
Source Temperature: 210 °C Sample Temperature: 150 °C Reservoir, 75 eV
26.0 5.8 27.0 24.3 28.0 22.7 29.0 22.2 31.0 1.3 37.0 1.1 38.0 2.4 39.0 22.5 40.0 3.2 41.0 22.7 42.0 3.3 43.0 4.7 44.0 1.3 45.0 2.7 50.0 4.0 51.0 4.5 52.0 2.0 53.0 13.3 54.0 27.4 55.0 100.0 56.0 30.5 57.0 11.1 65.0 1.5 66.0 1.5 69.0 11.6 81.0 1.3 83.0 34.8 84.0 72.5 85.0 6.1 86.0 1.9
400 MHz in CDCl3
1H NMR | 399.65 MHz |
C5 H8 O | 0.05 ml : 0.5 ml CDCl3 |
3,4-dihydro-2H-pyran |
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Assign. Shift(ppm) |
Hz ppm Int.
2539.92 6.356 308 2537.96 6.351 533 2536.13 6.346 336 2533.69 6.340 317 2531.74 6.335 545 2529.91 6.331 335 1862.92 4.662 292 1862.30 4.660 206 1859.13 4.652 532 1858.64 4.651 375 1857.30 4.648 240 1856.69 4.646 336 1856.08 4.645 355 1855.47 4.643 359 1854.86 4.642 251 1853.52 4.638 350 1852.91 4.637 537 1852.29 4.635 375 1849.12 4.627 290 1848.63 4.626 201 1600.95 4.006 31 1600.59 4.005 31 1599.37 4.002 30 1598.88 4.001 30 1587.04 3.972 930 1581.79 3.958 933 1580.93 3.956 807 1578.61 3.950 213 1576.66 3.946 1000 1568.97 3.926 31 1567.75 3.923 32 802.73 2.009 244 802.12 2.008 223 801.51 2.006 244 800.78 2.004 262 800.29 2.003 248 799.68 2.001 259 798.95 2.000 283 796.88 1.994 609 794.80 1.989 552 792.97 1.985 552 790.65 1.979 671 788.70 1.974 399 788.21 1.973 397 787.60 1.971 319 786.87 1.969 374 786.38 1.968 377 784.91 1.964 355 784.55 1.964 354 780.76 1.954 45 756.71 1.894 31 756.35 1.893 31 749.51 1.876 295 748.90 1.874 306 743.29 1.860 625 738.65 1.849 616 738.04 1.847 600 736.94 1.844 587 732.79 1.834 559 732.30 1.833 572 726.56 1.818 209 725.95 1.817 210
in CDCl3
liquid film
4880 A,200 M,liquid
3,4-Dihydro-2H-pyran(110-87-2) Raman Atlas of Related Products
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