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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 966 results
Search term:
MF = 'C_{20}H_{21}N_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
54827
zoom
C
20
H
21
N
3
303.4008
37
48
0
0
628171
zoom
C
20
H
21
N
3
303.4008
37
24
0
0
588012
zoom
C
20
H
21
N
3
303.4008
34
21
0
0
105381
zoom
C
20
H
21
N
3
303.4008
31
20
0
0
675457
zoom
C
20
H
21
N
3
303.4008
30
17
0
0
26457539
zoom
C
20
H
21
N
3
303.4008
30
27
0
0
1542650
zoom
C
20
H
21
N
3
303.4008
28
18
0
0
399045
zoom
C
20
H
21
N
3
303.4008
27
20
0
0
627770
zoom
C
20
H
21
N
3
303.4008
27
17
0
0
4912312
zoom
C
20
H
21
N
3
303.4008
26
14
0
0
4912349
zoom
C
20
H
21
N
3
303.4008
26
13
0
0
30661
zoom
C
20
H
21
N
3
303.4008
25
27
0
0
4912382
zoom
C
20
H
21
N
3
303.4008
24
13
0
0
2386685
- 0/2 defined
zoom
C
20
H
21
N
3
303.40084
24
17
0
0
3470574
zoom
C
20
H
21
N
3
303.40084
23
20
0
0
658848
zoom
C
20
H
21
N
3
303.4008
23
13
0
0
813770
zoom
C
20
H
21
N
3
303.4008
22
16
0
0
1463164
zoom
C
20
H
21
N
3
303.4008
21
15
0
0
2350016
zoom
C
20
H
21
N
3
303.40084
21
17
0
0
683853
zoom
C
20
H
21
N
3
303.4008
21
16
0
0
1
2
3
4
5
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