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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+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
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Monoisotopic Mass:
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M+CH3CNH
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M+.
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M+Na
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Found 230 results
Search term:
MF = 'C_{20}H_{13}NO_{5}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
69298
zoom
C
20
H
13
NO
5
347.3209
102
134
0
0
93827
zoom
C
20
H
13
NO
5
347.3209
95
83
0
0
17754199
zoom
C
20
H
13
NO
5
347.3209
31
22
0
0
391826
zoom
C
20
H
13
NO
5
347.3209
30
30
0
0
592915
zoom
C
20
H
13
NO
5
347.3209
28
15
0
0
4438170
zoom
C
20
H
13
NO
5
347.32092
27
25
0
0
771089
zoom
C
20
H
13
NO
5
347.3209
23
15
0
0
1056418
zoom
C
20
H
13
NO
5
347.3209
21
14
0
0
1290858
zoom
C
20
H
13
NO
5
347.3209
21
13
0
0
4312086
zoom
C
20
H
13
NO
5
347.3209
21
13
0
0
3029089
zoom
C
20
H
13
NO
5
347.32092
21
12
0
0
2121390
- 0/1 defined
zoom
C
20
H
13
NO
5
347.32092
20
14
0
0
688057
zoom
C
20
H
13
NO
5
347.3209
20
12
0
0
847265
zoom
C
20
H
13
NO
5
347.3209
19
13
0
0
584940
zoom
C
20
H
13
NO
5
347.3209
19
11
0
0
4460382
zoom
C
20
H
13
NO
5
347.32092
18
13
0
0
5627480
zoom
C
20
H
13
NO
5
347.3209
18
12
0
0
3322523
zoom
C
20
H
13
NO
5
347.3209
18
11
0
0
11709389
zoom
C
20
H
13
NO
5
347.3209
17
10
0
0
2262816
zoom
C
20
H
13
NO
5
347.32092
17
13
0
0
1
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4
5
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