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ChemSpider
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Structure
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
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(example: 123 ± 1)
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Nominal Mass:
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+H+
+2H+
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
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+e
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Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-.
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Found 291 results
Search term:
MF = 'C_{20}H_{14}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4600
zoom
C
20
H
14
O
4
318.3228
146
579
590
3389
6520
zoom
C
20
H
14
O
4
318.3228
102
135
0
8
62978
zoom
C
20
H
14
O
4
318.3228
98
81
0
2
60108
zoom
C
20
H
14
O
4
318.3228
83
150
0
36
66398
zoom
C
20
H
14
O
4
318.3228
65
58
0
4
2615506
zoom
C
20
H
14
O
4
318.3228
64
51
0
0
9295846
zoom
C
20
H
14
O
4
318.3228
55
34
0
0
143392
zoom
C
20
H
14
O
4
318.3228
51
43
0
0
454022
zoom
C
20
H
14
O
4
318.3228
47
43
0
0
280255
zoom
C
20
H
14
O
4
318.3228
45
38
0
0
62719
zoom
C
20
H
14
O
4
318.3228
42
36
0
0
495175
zoom
C
20
H
14
O
4
318.3228
34
26
0
0
3040351
zoom
C
20
H
14
O
4
318.32276
30
29
0
0
652718
zoom
C
20
H
14
O
4
318.3228
29
20
0
0
652809
zoom
C
20
H
14
O
4
318.3228
28
18
0
0
787323
zoom
C
20
H
14
O
4
318.3228
27
18
0
0
2722974
zoom
C
20
H
14
O
4
318.32276
26
19
0
0
767889
zoom
C
20
H
14
O
4
318.3228
26
18
0
0
109502
- 1/1 defined
zoom
C
20
H
14
O
4
318.3228
26
22
0
0
23159531
zoom
C
20
H
14
O
4
318.3228
25
23
0
0
1
2
3
4
5
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