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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
M+H
M-H
M+acetate
M-.
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-e
+e
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M+CH3CNH
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Found 1027 results
Search term:
MF = 'C_{21}H_{21}N_{5}'
1
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5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
8143533
zoom
C
21
H
21
N
5
343.4249
92
68
0
0
826304
zoom
C
21
H
21
N
5
343.4249
25
22
0
0
1291496
zoom
C
21
H
21
N
5
343.4249
24
18
0
0
607877
zoom
C
21
H
21
N
5
343.4249
24
12
0
0
612890
zoom
C
21
H
21
N
5
343.4249
24
13
0
0
725084
zoom
C
21
H
21
N
5
343.4249
24
14
0
0
3071652
- 0/2 defined
zoom
C
21
H
21
N
5
343.4249
23
14
0
0
4083325
zoom
C
21
H
21
N
5
343.42494
23
15
0
0
4083603
zoom
C
21
H
21
N
5
343.42494
23
15
0
0
4086774
zoom
C
21
H
21
N
5
343.42494
22
15
0
0
4091289
zoom
C
21
H
21
N
5
343.42494
22
15
0
0
3415144
zoom
C
21
H
21
N
5
343.42494
22
11
0
0
4055761
zoom
C
21
H
21
N
5
343.42494
22
15
0
0
4083197
zoom
C
21
H
21
N
5
343.42494
22
15
0
0
756627
zoom
C
21
H
21
N
5
343.4249
22
12
0
0
810459
zoom
C
21
H
21
N
5
343.4249
22
15
0
0
810893
zoom
C
21
H
21
N
5
343.4249
22
15
0
0
717167
zoom
C
21
H
21
N
5
343.4249
22
12
0
0
2693802
zoom
C
21
H
21
N
5
343.42494
22
13
0
0
5666347
zoom
C
21
H
21
N
5
343.4249
21
16
0
0
1
2
3
4
5
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