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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-.
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-e
+e
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Monoisotopic Mass:
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M+CH3CNH
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M+.
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M+Na
M+NH4
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M-.
M+Cl
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Found 746 results
Search term:
MF = 'C_{18}H_{31}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2312
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
128
680
871
3
3438268
zoom
C
18
H
31
NO
4
325.44304
54
47
0
0
8059461
- 1/1 defined
zoom
C
18
H
31
NO
4
325.443
41
44
0
0
28600269
zoom
C
18
H
31
NO
4
325.443
36
26
0
0
4445433
zoom
C
18
H
31
NO
4
325.44304
34
33
0
0
9863145
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
21
22
0
0
9067994
- 1/1 defined
zoom
C
18
H
31
NO
4
325.443
20
20
0
0
5036744
- 1/1 defined
zoom
C
18
H
31
NO
4
325.443
18
20
0
0
4445245
- 1/2 defined
zoom
C
18
H
31
NO
4
325.44304
18
17
0
0
3789984
- 0/4 defined
zoom
C
18
H
31
NO
4
325.44304
16
12
0
0
4445485
zoom
C
18
H
31
NO
4
325.44304
14
12
0
0
4043474
- 0/1 defined
zoom
C
18
H
31
NO
4
325.44304
11
8
0
0
10827321
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
10
8
0
0
3864647
- 0/2 defined
zoom
C
18
H
31
NO
4
325.443
9
6
0
0
22392542
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
8
6
0
0
22624533
- 0/2 defined
zoom
C
18
H
31
NO
4
325.443
8
7
0
0
22624607
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
7
6
0
0
22624608
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
7
5
0
0
22624696
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
7
6
0
0
22624238
- 0/1 defined
zoom
C
18
H
31
NO
4
325.443
7
6
0
0
1
2
3
4
5
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