Fumaric acid(110-17-8) Raman
Molecular FormulaC4H4O4
Molecular Weight116.07
InChIInChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
InChIKey VZCYOOQTPOCHFL-OWOJBTEDSA-N
SmilesC(O)(=O)/C=C/C(O)=O
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![](https://www.chemicalbook.com/Spectrum/110-17-8_MS.gif)
Mass
MS-NW-1677
fumaric acid
C4H4O4 (Mass of molecular ion: 116)
Source Temperature: 190 °C
Sample Temperature: 170 °C
Direct, 75 eV
13.0 1.7
14.0 2.4
15.0 5.4
17.0 1.4
18.0 4.5
24.0 1.7
25.0 8.8
26.0 44.3
27.0 69.1
28.0 5.9
29.0 8.1
37.0 1.3
41.0 5.4
42.0 7.6
43.0 9.3
44.0 5.0
45.0 70.9
46.0 6.4
52.0 2.4
53.0 34.5
54.0 19.0
55.0 15.3
60.0 1.3
69.0 3.9
70.0 10.6
71.0 19.8
72.0 18.5
81.0 16.6
82.0 4.4
88.0 27.1
98.0 100.0
99.0 38.7
100.0 2.3
116.0 32.0
117.0 2.2