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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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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
M+acetate
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+e
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M+CH3CNH
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Found 1966 results
Search term:
MF = 'C_{21}H_{16}N_{4}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1003544
zoom
C
21
H
16
N
4
O
3
372.3767
29
19
0
0
1142063
zoom
C
21
H
16
N
4
O
3
372.3767
28
18
0
0
4328543
- 0/1 defined
zoom
C
21
H
16
N
4
O
3
372.37674
28
15
0
0
1003546
zoom
C
21
H
16
N
4
O
3
372.3767
27
18
0
0
2755957
- 0/1 defined
zoom
C
21
H
16
N
4
O
3
372.37674
26
15
0
0
1003545
zoom
C
21
H
16
N
4
O
3
372.3767
26
17
0
0
910769
zoom
C
21
H
16
N
4
O
3
372.3767
25
16
0
0
939870
zoom
C
21
H
16
N
4
O
3
372.3767
25
17
0
0
2954922
- 0/1 defined
zoom
C
21
H
16
N
4
O
3
372.37674
25
19
0
0
12215029
zoom
C
21
H
16
N
4
O
3
372.3767
24
16
0
0
940696
zoom
C
21
H
16
N
4
O
3
372.3767
23
14
0
0
1142891
zoom
C
21
H
16
N
4
O
3
372.3767
23
16
0
0
1177754
zoom
C
21
H
16
N
4
O
3
372.3767
22
15
0
0
4504283
zoom
C
21
H
16
N
4
O
3
372.3767
22
12
0
0
3227950
zoom
C
21
H
16
N
4
O
3
372.3767
21
12
0
0
1034884
zoom
C
21
H
16
N
4
O
3
372.3767
21
15
0
0
1120847
zoom
C
21
H
16
N
4
O
3
372.3767
21
14
0
0
2002603
zoom
C
21
H
16
N
4
O
3
372.37674
21
12
0
0
2367820
- 0/1 defined
zoom
C
21
H
16
N
4
O
3
372.37674
21
14
0
0
2495708
zoom
C
21
H
16
N
4
O
3
372.3767
21
19
0
0
1
2
3
4
5
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