Jump to main content
Jump to site nav
Home
About us
Membership & professional community
Campaigning & outreach
Journals, books & databases
Teaching & learning
News & events
Locations & contacts
Home
About us
Web APIs
Help
Sign in
ChemSpider
Search and share chemistry
Simple
Structure
Advanced
History
Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
to
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
to
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
to
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Monoisotopic Mass:
to
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Search
Search Hits Limit:
100
1000
10000
Filter
Single/Multi-component
Search Any
Search Single-Component Structures Only
Search Multi-Component Structures Only
Isotopically Labeled
Search Any
Search Isotopically Labeled Structures Only
Disregard Isotopically Labeled Structures
Additional Filters
Filter only those having analytical data
Found 308 results
Search term:
MF = 'C_{20}H_{38}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4515636
zoom
C
20
H
38
O
2
310.5145
94
219
199
278
4445895
zoom
C
20
H
38
O
2
310.5145
69
106
11
3
59467
zoom
C
20
H
38
O
2
310.5145
66
86
13
8
4445896
zoom
C
20
H
38
O
2
310.5145
61
71
0
0
4516584
zoom
C
20
H
38
O
2
310.5145
58
206
0
0
4515656
zoom
C
20
H
38
O
2
310.5145
55
64
0
4
16314
zoom
C
20
H
38
O
2
310.5145
55
58
0
3
4471943
zoom
C
20
H
38
O
2
310.514520000001
42
46
0
0
4515660
zoom
C
20
H
38
O
2
310.5145
39
55
0
0
4515653
zoom
C
20
H
38
O
2
310.5145
38
52
0
0
37505
zoom
C
20
H
38
O
2
310.5145
34
42
3
0
4445894
zoom
C
20
H
38
O
2
310.5145
33
47
0
0
4942648
zoom
C
20
H
38
O
2
310.5145
31
43
0
1
4574378
zoom
C
20
H
38
O
2
310.5145
27
31
0
2
4874640
zoom
C
20
H
38
O
2
310.5145
27
21
0
0
4519145
zoom
C
20
H
38
O
2
310.5145
25
23
0
0
4445897
zoom
C
20
H
38
O
2
310.514520000001
22
21
0
0
4471948
zoom
C
20
H
38
O
2
310.514520000001
21
21
0
0
4516569
zoom
C
20
H
38
O
2
310.5145
21
18
0
0
21467597
zoom
C
20
H
38
O
2
310.5145
21
17
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement