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 6150 results
Search term:
MF = 'C_{18}H_{27}NO_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2042215
- 1/1 defined
zoom
C
18
H
27
NO
4
321.41128
76
43
0
0
67349
zoom
C
18
H
27
NO
4
321.4113
72
112
2
4
5373972
- 1/1 defined
zoom
C
18
H
27
NO
4
321.4113
66
38
0
0
15521063
- 0/1 defined
zoom
C
18
H
27
NO
4
321.4113
41
28
0
0
5291505
- 0/1 defined
zoom
C
18
H
27
NO
4
321.41128
36
38
0
0
21242654
zoom
C
18
H
27
NO
4
321.4113
35
21
0
0
21801521
- 2/2 defined
zoom
C
18
H
27
NO
4
321.4113
35
25
0
0
765387
zoom
C
18
H
27
NO
4
321.4113
29
18
0
0
519749
zoom
C
18
H
27
NO
4
321.4113
27
20
0
0
55070
zoom
C
18
H
27
NO
4
321.4113
27
30
3
0
29356901
zoom
C
18
H
27
NO
4
321.4113
26
21
0
0
591451
zoom
C
18
H
27
NO
4
321.4113
25
14
0
0
623505
zoom
C
18
H
27
NO
4
321.4113
22
16
0
0
955457
zoom
C
18
H
27
NO
4
321.4113
22
17
0
0
2256914
- 0/1 defined
zoom
C
18
H
27
NO
4
321.41128
22
16
0
0
4132093
zoom
C
18
H
27
NO
4
321.41128
21
13
0
0
1709454
zoom
C
18
H
27
NO
4
321.4113
21
18
0
0
4878622
zoom
C
18
H
27
NO
4
321.4113
20
13
0
0
2948651
zoom
C
18
H
27
NO
4
321.41128
19
12
0
0
2006299
zoom
C
18
H
27
NO
4
321.41128
19
18
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement