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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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Nominal Mass:
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+H+
+2H+
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
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Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-.
M+Cl
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Found 4196 results
Search term:
MF = 'C_{18}H_{21}N'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
141045
- 0/1 defined
zoom
C
18
H
21
N
251.366
82
43
1
1
79638
zoom
C
18
H
21
N
251.366
47
48
5
0
3569446
- 0/1 defined
zoom
C
18
H
21
N
251.36604
43
29
0
0
110069
zoom
C
18
H
21
N
251.366
33
27
0
0
3338697
zoom
C
18
H
21
N
251.36604
27
25
0
0
2365031
- 0/4 defined
zoom
C
18
H
21
N
251.36604
24
16
0
0
2125577
- 0/1 defined
zoom
C
18
H
21
N
251.36604
23
17
0
0
2952346
- 0/1 defined
zoom
C
18
H
21
N
251.36604
23
14
0
1
32058063
zoom
C
18
H
21
N
251.366
22
13
0
0
360063
zoom
C
18
H
21
N
251.366
17
18
0
1
23900376
- 0/1 defined
zoom
C
18
H
21
N
251.366
16
12
0
0
2107740
- 0/4 defined
zoom
C
18
H
21
N
251.36604
15
11
0
0
117332
- 0/2 defined
zoom
C
18
H
21
N
251.366
15
15
0
0
84853
zoom
C
18
H
21
N
251.366
15
15
0
0
109252
- 0/1 defined
zoom
C
18
H
21
N
251.366
15
16
4
0
3801007
- 0/1 defined
zoom
C
18
H
21
N
251.36604
14
8
0
0
2285163
zoom
C
18
H
21
N
251.366
14
14
0
0
2628271
zoom
C
18
H
21
N
251.366
14
10
0
0
2733312
zoom
C
18
H
21
N
251.36604
13
9
0
0
239346
- 0/1 defined
zoom
C
18
H
21
N
251.366
13
11
0
0
1
2
3
4
5
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