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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:
to
±
(example: 123 ± 1)
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+/-
Nominal Mass:
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±
-2H+
-H+
+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
min/max
+/-
Monoisotopic Mass:
to
±
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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Found 780 results
Search term:
MF = 'C_{20}H_{14}N_{2}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
60470
zoom
C
20
H
14
N
2
O
4
346.3362
44
27
0
0
725668
zoom
C
20
H
14
N
2
O
4
346.3362
35
22
0
0
588701
zoom
C
20
H
14
N
2
O
4
346.3362
33
19
0
0
727132
zoom
C
20
H
14
N
2
O
4
346.3362
31
18
0
0
523944
zoom
C
20
H
14
N
2
O
4
346.3362
31
22
0
0
764959
zoom
C
20
H
14
N
2
O
4
346.3362
31
20
0
0
2046891
- 0/1 defined
zoom
C
20
H
14
N
2
O
4
346.33616
31
27
0
0
1267884
zoom
C
20
H
14
N
2
O
4
346.3362
30
27
0
0
727144
zoom
C
20
H
14
N
2
O
4
346.3362
29
17
0
0
2093425
- 0/1 defined
zoom
C
20
H
14
N
2
O
4
346.33616
26
16
0
0
2093424
- 0/1 defined
zoom
C
20
H
14
N
2
O
4
346.33616
25
13
0
0
1304655
zoom
C
20
H
14
N
2
O
4
346.3362
25
15
0
0
1604304
zoom
C
20
H
14
N
2
O
4
346.3362
24
15
0
0
530797
zoom
C
20
H
14
N
2
O
4
346.3362
24
16
0
0
12553062
zoom
C
20
H
14
N
2
O
4
346.3362
23
18
0
0
524538
zoom
C
20
H
14
N
2
O
4
346.3362
23
18
0
0
527904
zoom
C
20
H
14
N
2
O
4
346.3362
23
17
0
0
648197
zoom
C
20
H
14
N
2
O
4
346.3362
22
12
0
0
23349321
zoom
C
20
H
14
N
2
O
4
346.3362
22
21
0
28
777292
zoom
C
20
H
14
N
2
O
4
346.3362
22
15
0
0
1
2
3
4
5
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