5-Fluoro-1,3-isobenzofurandione(319-03-9) 13C NMR
Molecular FormulaC8H3FO3
Molecular Weight166.11
InChIInChI=1S/C8H3FO3/c9-4-1-2-5-6(3-4)8(11)12-7(5)10/h1-3H
InChIKey XVMKZAAFVWXIII-UHFFFAOYSA-N
SmilesC1(=O)C2=C(C=C(F)C=C2)C(=O)O1
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![](https://www.chemicalbook.com/Spectrum/319-03-9_MS.gif)
Mass
MS-IW-4946
4-fluorophthalic anhydride
C8H3FO3 (Mass of molecular ion: 166)
Source Temperature: 160 °C
Sample Temperature: 140 °C
Direct, 75 eV
28.0 1.9
31.0 2.8
37.0 6.0
38.0 1.6
47.0 5.0
49.0 2.2
50.0 15.5
51.0 10.4
56.0 1.1
61.0 10.4
62.0 3.8
63.0 3.0
68.0 11.7
73.0 3.5
74.0 11.6
75.0 5.8
92.0 3.8
93.0 6.7
94.0 92.1
95.0 6.5
122.0 100.0
123.0 7.9
166.0 39.9
167.0 3.4