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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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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 3496 results
Search term:
MF = 'C_{21}H_{19}N_{5}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
927694
zoom
C
21
H
19
N
5
O
3
389.4073
29
20
0
0
4690941
zoom
C
21
H
19
N
5
O
3
389.4073
26
19
0
0
878243
zoom
C
21
H
19
N
5
O
3
389.4073
24
15
0
0
1167677
zoom
C
21
H
19
N
5
O
3
389.4073
24
14
0
0
1213730
zoom
C
21
H
19
N
5
O
3
389.4073
24
19
0
0
4069903
zoom
C
21
H
19
N
5
O
3
389.40726
23
13
0
0
4189418
zoom
C
21
H
19
N
5
O
3
389.40726
23
12
0
0
11968927
zoom
C
21
H
19
N
5
O
3
389.4073
23
16
0
0
12232258
zoom
C
21
H
19
N
5
O
3
389.4073
23
14
0
0
7144774
zoom
C
21
H
19
N
5
O
3
389.4073
22
19
0
0
4198034
- 0/1 defined
zoom
C
21
H
19
N
5
O
3
389.40726
22
21
0
0
12210151
zoom
C
21
H
19
N
5
O
3
389.4073
21
16
0
0
1038831
zoom
C
21
H
19
N
5
O
3
389.4073
21
16
0
0
572282
- 2/2 defined
zoom
C
21
H
19
N
5
O
3
389.4073
20
13
0
0
2632018
zoom
C
21
H
19
N
5
O
3
389.4073
20
11
0
0
12210150
zoom
C
21
H
19
N
5
O
3
389.4073
20
14
0
0
4802107
- 0/1 defined
zoom
C
21
H
19
N
5
O
3
389.4073
20
12
0
0
3351294
zoom
C
21
H
19
N
5
O
3
389.40726
19
13
0
0
4044264
zoom
C
21
H
19
N
5
O
3
389.40726
19
11
0
0
2570777
zoom
C
21
H
19
N
5
O
3
389.4073
19
10
0
0
1
2
3
4
5
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