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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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+H+
+2H+
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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 9820 results
Search term:
MF = 'C_{19}H_{21}N_{5}O'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
12216646
zoom
C
19
H
21
N
5
O
335.4029
38
28
0
0
649907
zoom
C
19
H
21
N
5
O
335.4029
34
18
0
0
664200
zoom
C
19
H
21
N
5
O
335.4029
30
22
0
0
616593
zoom
C
19
H
21
N
5
O
335.4029
27
19
0
0
657865
zoom
C
19
H
21
N
5
O
335.4029
27
17
0
0
612866
zoom
C
19
H
21
N
5
O
335.4029
25
15
0
0
657944
zoom
C
19
H
21
N
5
O
335.40294
23
18
0
0
2422267
- 0/1 defined
zoom
C
19
H
21
N
5
O
335.4029
23
22
0
0
704859
zoom
C
19
H
21
N
5
O
335.4029
22
11
0
0
671663
zoom
C
19
H
21
N
5
O
335.4029
21
13
0
0
672951
zoom
C
19
H
21
N
5
O
335.4029
21
16
0
0
594620
zoom
C
19
H
21
N
5
O
335.4029
21
15
0
0
2422268
- 0/1 defined
zoom
C
19
H
21
N
5
O
335.4029
21
20
0
0
2422269
- 0/1 defined
zoom
C
19
H
21
N
5
O
335.4029
21
20
0
0
3316103
zoom
C
19
H
21
N
5
O
335.4029
21
14
0
0
5276362
zoom
C
19
H
21
N
5
O
335.4029
21
12
0
0
11867135
zoom
C
19
H
21
N
5
O
335.4029
20
13
0
0
3558091
- 0/1 defined
zoom
C
19
H
21
N
5
O
335.40294
20
20
0
0
3558092
- 0/1 defined
zoom
C
19
H
21
N
5
O
335.40294
20
19
0
0
4468071
- 0/2 defined
zoom
C
19
H
21
N
5
O
335.40294
20
15
0
0
1
2
3
4
5
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