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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 545 results
Search term:
MF = 'C_{21}H_{19}N_{5}'
1
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5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
725076
zoom
C
21
H
19
N
5
341.4091
33
20
0
0
32058641
zoom
C
21
H
19
N
5
341.4091
33
24
0
0
725092
zoom
C
21
H
19
N
5
341.4091
31
18
0
0
725074
zoom
C
21
H
19
N
5
341.4091
28
17
0
0
747325
zoom
C
21
H
19
N
5
341.4091
25
16
0
0
697398
zoom
C
21
H
19
N
5
341.4091
24
14
0
0
810615
zoom
C
21
H
19
N
5
341.4091
23
13
0
0
818302
zoom
C
21
H
19
N
5
341.4091
23
14
0
0
28563618
zoom
C
21
H
19
N
5
341.4091
22
17
0
0
765692
zoom
C
21
H
19
N
5
341.4091
21
14
0
0
4341394
zoom
C
21
H
19
N
5
341.40906
20
11
0
0
4086770
zoom
C
21
H
19
N
5
341.40906
19
12
0
0
1309461
zoom
C
21
H
19
N
5
341.4091
19
8
0
0
765452
zoom
C
21
H
19
N
5
341.4091
18
12
0
0
2415015
zoom
C
21
H
19
N
5
341.4091
17
10
0
0
2127763
zoom
C
21
H
19
N
5
341.40906
16
11
0
0
795203
zoom
C
21
H
19
N
5
341.4091
16
10
0
0
602274
zoom
C
21
H
19
N
5
341.4091
16
11
0
0
804462
zoom
C
21
H
19
N
5
341.4091
15
12
0
0
822653
zoom
C
21
H
19
N
5
341.4091
15
10
0
0
1
2
3
4
5
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