3,5-Pyridinedicarboxylic acid(499-81-0) IR1
Molecular FormulaC7H5NO4
Molecular Weight167.12
InChIInChI=1S/C7H5NO4/c9-6(10)4-1-5(7(11)12)3-8-2-4/h1-3H,(H,9,10)(H,11,12)
InChIKey MPFLRYZEEAQMLQ-UHFFFAOYSA-N
SmilesC1=NC=C(C(O)=O)C=C1C(O)=O
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![](https://www.chemicalbook.com/Spectrum/499-81-0_MS.gif)
Mass
MS-NW-1794
3,5-pyridinedicarboxylic acid
C7H5NO4 (Mass of molecular ion: 167)
Source Temperature: 220 °C
Sample Temperature: 190 °C
Direct, 75 eV
17.0 1.0
18.0 4.6
25.0 1.0
26.0 2.6
27.0 3.4
28.0 9.7
29.0 2.3
32.0 1.0
37.0 3.7
38.0 7.4
38.5 3.8
39.0 13.6
40.0 1.7
41.0 1.3
44.0 3.6
45.0 17.9
49.0 7.6
50.0 31.6
51.0 26.1
52.0 7.5
52.5 1.1
53.0 6.8
55.0 1.1
65.0 8.7
66.0 7.5
67.0 4.9
75.0 3.4
76.0 9.7
77.0 11.8
78.0 9.6
79.0 1.4
92.0 1.4
93.0 4.6
94.0 17.3
95.0 1.7
104.0 11.6
105.0 3.0
106.0 1.4
119.0 1.2
121.0 17.3
122.0 31.1
123.0 3.5
137.0 3.1
138.0 1.1
149.0 60.6
150.0 28.1
151.0 2.5
167.0 100.0
168.0 8.6
169.0 1.2