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MassMS-NW-8156 uracil C4H4N2O2 (Mass of molecular ion: 112)
Source Temperature: 190 °C Sample Temperature: 150 °C Direct, 75 eV
14.0 1.4 17.0 2.3 18.0 12.3 26.0 3.2 27.0 2.9 28.0 34.1 29.0 2.0 38.0 2.3 39.0 4.6 40.0 16.9 41.0 18.8 42.0 47.2 43.0 4.7 44.0 4.0 53.0 1.2 56.0 1.1 67.0 1.9 68.0 15.2 69.0 64.9 70.0 6.5 112.0 100.0 113.0 5.5
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C4 H4 N2 O2 saturated in DMSO-d6 uracil 
Assign. Shift(ppm)
A 11.02 B 10.82 C 7.406 D 5.473 J(C,D)=7.5HZ, J(B,C)=5.7HZ
Hz ppm Int.4404.75 11.022 492 4324.19 10.820 369 2971.04 7.435 40 2966.46 7.423 859 2960.82 7.409 887 2958.98 7.404 1000 2953.19 7.390 880 2192.69 5.487 521 2191.31 5.484 770 2189.79 5.480 672 2185.06 5.468 536 2183.53 5.464 770 2182.16 5.461 658 2174.53 5.442 23
in DMSO-d6
KBr disc
nujol mull
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