ETHYL COUMARIN-3-CARBOXYLATE(1846-76-0) IR2
Molecular FormulaC12H10O4
Molecular Weight218.21
InChIInChI=1S/C12H10O4/c1-2-15-11(13)9-7-8-5-3-4-6-10(8)16-12(9)14/h3-7H,2H2,1H3
InChIKey XKHPEMKBJGUYCM-UHFFFAOYSA-N
SmilesC1(=O)OC2=CC=CC=C2C=C1C(OCC)=O
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![](https://www.chemicalbook.com/Spectrum/1846-76-0_MS.gif)
Mass
MS2017-05458CM
ethyl 2-oxo-2H-chromene-3-carboxylate
C12H10O4 (Mass of molecular ion: 218)
Source Temperature: 245 °C
Sample Temperature: 20 °C
Direct, 70 eV
15.0 1.9
26.0 2.2
27.0 14.0
28.0 2.2
29.0 22.9
37.0 1.3
38.0 2.5
39.0 14.3
43.0 1.8
44.5 1.5
45.0 1.0
50.0 4.8
51.0 7.7
53.0 3.3
61.0 2.4
62.0 10.5
63.0 27.9
64.0 3.4
74.0 2.3
75.0 6.2
76.0 1.2
77.0 3.1
78.0 2.0
86.0 1.9
87.0 2.9
88.0 3.7
89.0 44.6
90.0 11.5
91.0 1.3
101.0 16.8
102.0 2.6
105.0 1.2
116.0 2.7
117.0 1.2
118.0 24.4
119.0 2.2
130.0 1.9
131.0 1.1
144.0 2.8
145.0 11.6
146.0 100.0
147.0 10.1
162.0 4.7
173.0 88.4
174.0 15.4
175.0 1.9
190.0 2.8
218.0 36.9
219.0 9.0
220.0 1.2