3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE
Product Name 3-METHYL-2,5-DIHYDROTHIOPHENE-1,1-DIOXIDE
CAS1193-10-8
MFC5H8O2S
MW132.18
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MassMS-NW-4629 3-methyl-2,5-dihydrothiophene 1,1-dioxide C5H8O2S (Mass of molecular ion: 132)
Source Temperature: 260 °C Sample Temperature: 180 °C Reservoir, 75 eV
15.0 1.6 26.0 4.0 27.0 29.8 28.0 2.8 29.0 2.9 31.0 2.1 32.0 4.2 37.0 4.5 38.0 8.1 39.0 52.7 40.0 35.8 41.0 33.8 42.0 19.6 48.0 44.5 49.0 1.8 50.0 7.6 51.0 10.6 52.0 5.8 53.0 83.2 54.0 3.6 61.0 2.0 62.0 2.8 63.0 3.4 64.0 90.4 65.0 9.4 66.0 6.1 67.0 100.0 68.0 79.8 69.0 4.6
90 MHz in CDCl3
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1H NMR 89.56 MHz C5 H8 O2 S 0.038 g : 0.5 ml CDCl3 3-methyl-2,5-dihydrothiophene 1,1-dioxide 
Assign. Shift(ppm)
A 5.682 B 3.79 C 3.67 D 1.885
Hz ppm Int.512.44 5.722 130 511.63 5.713 154 511.31 5.710 150 510.81 5.704 171 509.69 5.692 256 508.88 5.683 198 508.06 5.673 267 506.88 5.660 174 506.06 5.651 150 505.31 5.643 135 342.75 3.828 202 341.44 3.813 326 339.94 3.796 442 339.19 3.788 450 338.75 3.783 446 337.56 3.770 460 335.81 3.750 261 335.00 3.741 298 332.88 3.717 171 331.38 3.701 352 330.38 3.689 520 329.38 3.678 637 328.38 3.667 663 327.69 3.659 571 326.75 3.649 440 325.50 3.635 237 324.31 3.622 84 172.75 1.929 204 171.81 1.919 466 170.63 1.906 730 170.25 1.901 747 169.56 1.894 1000 169.06 1.888 828 168.44 1.881 856 167.94 1.876 970 167.25 1.868 667 166.81 1.863 665 165.63 1.850 416 164.50 1.837 203
in CDCl3
KBr disc
nujol mull
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