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MassMS-NW-0186 2-oxoglutaric acid C5H6O5 (Mass of molecular ion: 146)
Source Temperature: 195 °C Sample Temperature: 0 °C Direct, 75 eV
2.0 1.2 14.0 3.7 15.0 3.0 17.0 1.5 18.0 2.0 19.0 1.3 25.0 3.1 26.0 24.3 27.0 68.5 28.0 37.4 29.0 69.6 30.0 3.2 31.0 7.2 37.0 2.4 38.0 2.5 39.0 4.0 41.0 1.9 42.0 16.2 43.0 14.5 44.0 5.5 45.0 100.0 46.0 5.2 47.0 1.2 53.0 5.0 54.0 2.2 55.0 74.7 56.0 13.9 57.0 2.6 60.0 2.8 73.0 41.6 74.0 25.5 75.0 1.1 83.0 1.6 84.0 1.4 101.0 75.2 102.0 3.8 129.0 2.7
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C5 H6 O5 0.040 g : 0.5 ml DMSO-d6 2-oxoglutaric acid 
Assign. Shift(ppm)
A 13.0 B 3.001 C 2.490
Hz ppm Int.1206.30 3.019 557 1199.95 3.003 1000 1193.36 2.987 630 1018.31 2.549 23 1016.85 2.545 26 1014.89 2.540 51 1012.94 2.535 65 1001.46 2.506 730 994.87 2.490 989 988.53 2.474 550
in DMSO-d6
KBr disc
nujol mull
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