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ChemSpider
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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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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-H
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+e
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M+CH3CNH
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Found 199 results
Search term:
MF = 'C_{20}H_{12}N_{2}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
64223
zoom
C
20
H
12
N
2
O
4
344.3203
120
165
0
5
195423
zoom
C
20
H
12
N
2
O
4
344.3203
29
20
0
0
2923199
zoom
C
20
H
12
N
2
O
4
344.32028
27
17
0
0
677960
zoom
C
20
H
12
N
2
O
4
344.3203
26
15
0
0
2124300
zoom
C
20
H
12
N
2
O
4
344.32028
24
16
0
0
2353522
zoom
C
20
H
12
N
2
O
4
344.32028
23
11
0
0
679229
zoom
C
20
H
12
N
2
O
4
344.3203
22
13
0
0
746957
zoom
C
20
H
12
N
2
O
4
344.3203
20
10
0
0
202874
zoom
C
20
H
12
N
2
O
4
344.3203
20
15
0
0
2656081
zoom
C
20
H
12
N
2
O
4
344.3203
20
10
0
0
666064
zoom
C
20
H
12
N
2
O
4
344.3203
20
15
0
0
4250727
zoom
C
20
H
12
N
2
O
4
344.32028
20
12
0
0
4464181
- 0/1 defined
zoom
C
20
H
12
N
2
O
4
344.32028
19
15
0
0
787529
zoom
C
20
H
12
N
2
O
4
344.3203
19
12
0
0
3607859
zoom
C
20
H
12
N
2
O
4
344.32028
18
13
0
0
2773748
zoom
C
20
H
12
N
2
O
4
344.32028
17
10
0
0
548147
zoom
C
20
H
12
N
2
O
4
344.3203
17
10
0
0
756782
zoom
C
20
H
12
N
2
O
4
344.3203
17
13
0
0
2123506
zoom
C
20
H
12
N
2
O
4
344.32028
16
11
0
0
2984281
zoom
C
20
H
12
N
2
O
4
344.32028
16
10
0
0
1
2
3
4
5
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