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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
M+H
M-H
M+acetate
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+e
min/max
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Monoisotopic Mass:
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M+CH3CNH
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M+.
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M+Na
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M-.
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Found 5428 results
Search term:
MF = 'C_{18}H_{31}N_{3}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
9144992
zoom
C
18
H
31
N
3
O
3
337.457
41
31
0
0
64289
- 0/1 defined
zoom
C
18
H
31
N
3
O
3
337.457
34
70
0
0
20571970
zoom
C
18
H
31
N
3
O
3
337.457
22
17
0
0
2664504
- 0/1 defined
zoom
C
18
H
31
N
3
O
3
337.457
16
11
0
0
2488424
- 0/1 defined
zoom
C
18
H
31
N
3
O
3
337.457
15
13
0
0
31225115
- 0/2 defined
zoom
C
18
H
31
N
3
O
3
337.457
14
14
0
0
31225114
- 0/2 defined
zoom
C
18
H
31
N
3
O
3
337.457
13
13
0
0
6662136
zoom
C
18
H
31
N
3
O
3
337.457
13
10
0
0
2471823
zoom
C
18
H
31
N
3
O
3
337.457
12
5
0
0
2567468
- 0/1 defined
zoom
C
18
H
31
N
3
O
3
337.457
12
8
0
0
4364350
zoom
C
18
H
31
N
3
O
3
337.45704
12
9
0
0
1856719
zoom
C
18
H
31
N
3
O
3
337.457
11
7
0
0
2621969
zoom
C
18
H
31
N
3
O
3
337.457
10
7
0
0
6446515
- 0/2 defined
zoom
C
18
H
31
N
3
O
3
337.457
10
8
0
0
22132218
- 0/1 defined
zoom
C
18
H
31
N
3
O
3
337.457
10
9
0
0
22237080
zoom
C
18
H
31
N
3
O
3
337.457
10
8
0
0
23751644
- 0/2 defined
zoom
C
18
H
31
N
3
O
3
337.457
10
8
0
0
22412810
- 0/2 defined
zoom
C
18
H
31
N
3
O
3
337.457
9
7
0
0
11048017
- 0/2 defined
zoom
C
18
H
31
N
3
O
3
337.457
9
5
0
0
3908324
zoom
C
18
H
31
N
3
O
3
337.457
9
5
0
0
1
2
3
4
5
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