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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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+H+
+2H+
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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 22401 results
Search term:
MF = 'C_{18}H_{18}N_{2}O'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
26232009
zoom
C
18
H
18
N
2
O
278.3483
70
44
0
0
172173
- 0/1 defined
zoom
C
18
H
18
N
2
O
278.3483
59
38
0
0
29222
zoom
C
18
H
18
N
2
O
278.3483
53
106
0
0
106308
zoom
C
18
H
18
N
2
O
278.3483
51
45
0
0
606966
zoom
C
18
H
18
N
2
O
278.3483
46
33
0
0
181264
zoom
C
18
H
18
N
2
O
278.3483
43
32
0
0
4316068
zoom
C
18
H
18
N
2
O
278.34832
43
30
0
0
846627
zoom
C
18
H
18
N
2
O
278.3483
41
28
0
0
2019371
zoom
C
18
H
18
N
2
O
278.34832
40
29
0
0
3902364
zoom
C
18
H
18
N
2
O
278.3483
39
24
0
0
755237
zoom
C
18
H
18
N
2
O
278.3483
38
23
0
0
755121
zoom
C
18
H
18
N
2
O
278.3483
37
20
0
0
755129
zoom
C
18
H
18
N
2
O
278.3483
37
20
0
0
30648876
zoom
C
18
H
18
N
2
O
278.3483
37
27
0
0
3732067
- 0/1 defined
zoom
C
18
H
18
N
2
O
278.34832
35
26
0
0
23081189
zoom
C
18
H
18
N
2
O
278.3483
34
26
0
0
13530773
zoom
C
18
H
18
N
2
O
278.3483
33
35
0
0
26858
zoom
C
18
H
18
N
2
O
278.3483
33
42
0
0
609059
zoom
C
18
H
18
N
2
O
278.3483
33
22
0
0
723366
zoom
C
18
H
18
N
2
O
278.3483
33
22
0
0
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