Monoethyl maleate(3990-03-2) IR1
Molecular FormulaC6H8O4
Molecular Weight144.13
InChIInChI=1S/C6H8O4/c1-2-10-6(9)4-3-5(7)8/h3-4H,2H2,1H3,(H,7,8)/b4-3-
InChIKey XLYMOEINVGRTEX-ARJAWSKDSA-N
SmilesC(OCC)(=O)/C=C\C(O)=O
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![](https://www.chemicalbook.com/Spectrum/3990-03-2_MS_1.jpg)
Mass
MS-NW-0532
ethyl hydrogen maleate
C6H8O4 (Mass of molecular ion: 144)
Source Temperature: 260 °C
Sample Temperature: 180 °C
Reservoir, 75 eV
14.0 1.3
15.0 3.1
18.0 3.6
19.0 1.1
25.0 3.3
26.0 31.4
27.0 22.4
28.0 4.1
29.0 24.9
30.0 2.0
31.0 28.1
41.0 1.1
42.0 1.4
43.0 4.9
44.0 2.0
45.0 17.4
46.0 5.3
47.0 1.2
53.0 4.4
54.0 28.6
55.0 7.2
56.0 1.1
71.0 3.9
72.0 2.2
81.0 1.0
82.0 6.2
98.0 5.4
99.0 100.0
100.0 11.4
101.0 1.1
125.0 1.4
126.0 16.8
127.0 30.1
128.0 9.1
143.0 3.8
145.0 1.0