4',5-DIHYDROXY-7-METHOXYFLAVONE(437-64-9) IR1
Molecular FormulaC16H12O5
Molecular Weight284.26
InChIInChI=1S/C16H12O5/c1-20-11-6-12(18)16-13(19)8-14(21-15(16)7-11)9-2-4-10(17)5-3-9/h2-8,17-18H,1H3
InChIKey JPMYFOBNRRGFNO-UHFFFAOYSA-N
SmilesC1(C2=CC=C(O)C=C2)OC2=CC(OC)=CC(O)=C2C(=O)C=1
-
![](https://www.chemicalbook.com/Spectrum/437-64-9_MS.gif)
Mass
MS-IW-4250
5-hydroxy-2-(p-hydroxyphenyl)-7-methoxy-4-chromenone
C16H12O5 (Mass of molecular ion: 284)
Source Temperature: 200 °C
Sample Temperature: 220 °C
Direct, 75 eV
18.0 3.9
28.0 4.7
39.0 2.3
51.0 2.0
53.0 1.7
55.0 1.0
62.0 1.0
63.0 2.3
64.0 1.0
65.0 2.0
67.0 1.0
69.0 5.5
77.0 1.1
79.0 1.2
89.0 2.3
91.0 1.0
93.0 1.4
95.0 7.2
108.0 3.0
110.0 4.2
118.0 6.0
119.0 4.0
121.0 4.2
123.0 3.5
128.0 8.6
128.5 1.3
136.0 2.2
137.0 3.9
138.0 9.2
139.0 1.3
145.0 1.4
157.0 1.5
166.0 9.0
167.0 8.4
168.0 1.2
212.0 2.1
226.0 2.3
227.0 2.0
241.0 10.0
242.0 1.8
254.0 6.4
255.0 27.5
256.0 6.4
270.0 1.9
283.0 14.2
284.0 100.0
285.0 17.5
286.0 2.5
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