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MS-NW-7041 cis-endo-5-norbornene-2,3-dicarboxylic acid C9H10O4 (Mass of molecular ion: 182)
Source Temperature: 220 °C Sample Temperature: 140 °C Direct, 75 eV
17.0 1.1 18.0 4.7 26.0 2.7 27.0 3.9 38.5 2.5 39.5 12.4 40.5 4.6 41.5 1.9 45.0 2.6 50.0 2.4 51.0 4.0 52.0 1.4 53.0 1.6 54.0 1.1 55.0 3.0 62.0 1.4 63.0 3.4 64.0 1.0 65.0 9.7 66.0 100.0 67.0 6.3 77.0 2.6 78.0 1.5 79.0 1.7 90.0 1.0 91.0 22.7 92.0 10.2 93.0 1.3 99.0 6.0 117.0 7.8 118.0 1.2 119.0 6.3 120.0 4.3 136.0 1.7 137.0 2.4 164.0 4.3
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C9 H10 O4 0.037 g : 0.5 ml DMSO-d6 cis-endo-5-norbornene-2,3-dicarboxylic acid Assign. Shift(ppm)
A 11.8 B 6.103 C 3.187 D 3.003 E *1 1.312 F *1 1.255
Hz ppm Int.
4715.07 11.799 487 2440.69 6.108 673 2439.05 6.103 1000 2437.40 6.099 652 2428.79 6.078 22 1274.66 3.190 742 1273.37 3.187 984 1271.91 3.183 767 1200.29 3.004 674 529.72 1.326 174 521.47 1.305 325 504.26 1.262 322 502.61 1.258 213 497.66 1.246 126 496.01 1.242 186 494.37 1.238 116
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