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MS-IW-4058 2-hydroxy-6-methyl-3-pyridinecarboxylic acid C7H7NO3 (Mass of molecular ion: 153)
Source Temperature: 130 °C Sample Temperature: 90 °C Direct, 75 eV
15.0 1.8 18.0 3.1 26.0 1.2 27.0 5.7 28.0 4.9 29.0 1.0 32.5 1.1 37.0 4.2 38.0 8.8 39.0 16.4 40.0 3.7 41.0 4.1 42.0 17.9 43.0 1.6 44.0 1.6 45.0 2.3 48.5 1.6 50.0 3.0 51.0 5.3 52.0 14.0 53.0 23.6 53.5 1.0 54.0 4.0 55.0 2.4 60.5 3.8 61.0 1.2 62.0 1.8 62.5 1.9 63.0 3.8 64.0 4.3 65.0 3.7 66.0 5.1 67.0 1.6 68.0 3.5 78.0 3.4 79.0 14.8 80.0 40.5 81.0 10.7 91.0 2.1 92.0 1.3 106.0 3.4 107.0 17.9 108.0 24.9 109.0 100.0 110.0 7.3 120.0 4.8 135.0 3.4 136.0 12.7 137.0 1.0 153.0 61.0 154.0 6.0
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C7 H7 N O3 0.036 g : 0.5 ml DMSO-d6 2-hydroxy-6-methyl-3-pyridinecarboxylic acid Assign. Shift(ppm)
A *1 14. B *1 13.3 C 8.275 D 6.544 E 2.392 J(C,D)=7.3HZ
Hz ppm Int.
5316.41 13.303 34 3311.28 8.286 251 3303.96 8.268 258 2619.38 6.555 154 2611.82 6.536 152 956.05 2.393 1000 944.58 2.364 22
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