Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic acid dianhydride(1719-83-1) IR2
Molecular FormulaC12H8O6
Molecular Weight248.19
InChIInChI=1S/C12H8O6/c13-9-5-3-1-2-4(7(5)11(15)17-9)8-6(3)10(14)18-12(8)16/h1-8H
InChIKey XLOGCGOPKPCECW-UHFFFAOYSA-N
SmilesO1C(=O)C2C3C=CC(C4C(=O)OC(=O)C43)C2C1=O
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![](https://www.chemicalbook.com/Spectrum/1719-83-1_MS.gif)
Mass
MS2015-05172CW
bicyclo(2.2.2)oct-7-ene-2,3,5,6-tetracarboxylic 2,3:5,6-dianhydride
C12H8O6 (Mass of molecular ion: 248)
Source Temperature: 250 °C
Sample Temperature: 20 °C
Direct, 70 eV
18.0 1.1
26.0 1.6
27.0 2.3
28.0 1.3
38.0 1.2
39.0 6.6
41.0 4.9
43.0 3.9
44.0 2.0
50.0 4.4
51.0 17.0
52.0 9.5
53.0 1.5
54.0 2.5
55.0 4.1
56.0 2.7
63.0 2.8
65.0 1.3
74.0 1.3
75.0 1.1
76.0 1.8
77.0 8.2
78.0 100.0
79.0 6.9
80.0 1.5
81.0 3.6
82.0 2.8
83.0 1.3
91.0 1.4
98.0 8.4
99.0 7.9
100.0 1.4
102.0 1.7
103.0 8.4
104.0 17.2
105.0 1.9
108.0 2.3
126.0 2.3
131.0 34.9
132.0 3.8
148.0 3.6
176.0 66.6
177.0 7.3
204.0 3.4