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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
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M-H
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+e
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M+CH3CNH
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Found 17653 results
Search term:
MF = 'C_{18}H_{21}N_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
18997608
zoom
C
18
H
21
N
3
279.3794
43
52
0
0
32076799
zoom
C
18
H
21
N
3
279.3794
38
30
0
0
13542
zoom
C
18
H
21
N
3
279.3794
38
39
0
0
3077915
- 0/1 defined
zoom
C
18
H
21
N
3
279.3794
33
22
0
0
466479
- 0/1 defined
zoom
C
18
H
21
N
3
279.3794
29
21
0
0
513038
zoom
C
18
H
21
N
3
279.3794
27
21
0
0
697272
zoom
C
18
H
21
N
3
279.3794
26
14
0
0
810398
zoom
C
18
H
21
N
3
279.3794
26
17
0
0
4505029
zoom
C
18
H
21
N
3
279.3794
26
23
0
0
536295
zoom
C
18
H
21
N
3
279.3794
25
17
0
0
97882
zoom
C
18
H
21
N
3
279.3794
25
20
0
0
578626
zoom
C
18
H
21
N
3
279.3794
23
14
0
0
703498
zoom
C
18
H
21
N
3
279.3794
23
17
0
0
4504847
zoom
C
18
H
21
N
3
279.3794
23
22
0
0
536257
zoom
C
18
H
21
N
3
279.3794
22
15
0
0
644280
zoom
C
18
H
21
N
3
279.3794
22
14
0
0
806240
zoom
C
18
H
21
N
3
279.3794
21
16
0
0
634782
zoom
C
18
H
21
N
3
279.3794
21
12
0
0
1220557
zoom
C
18
H
21
N
3
279.3794
21
18
0
0
4661520
zoom
C
18
H
21
N
3
279.3794
21
17
0
0
1
2
3
4
5
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