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 12943 results
Search term:
MF = 'C_{18}H_{25}NO_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
90914
- 0/1 defined
zoom
C
18
H
25
NO
3
303.396
95
69
4
9
23968
- 0/2 defined
zoom
C
18
H
25
NO
3
303.396
57
59
0
0
19308067
zoom
C
18
H
25
NO
3
303.396
47
32
0
0
28290219
zoom
C
18
H
25
NO
3
303.396
40
19
0
0
27457586
zoom
C
18
H
25
NO
3
303.396
38
20
0
0
10182313
zoom
C
18
H
25
NO
3
303.396
37
29
0
0
21399493
zoom
C
18
H
25
NO
3
303.396
35
28
0
0
21399041
zoom
C
18
H
25
NO
3
303.396
35
28
0
0
21399551
zoom
C
18
H
25
NO
3
303.396
33
27
0
0
21399154
zoom
C
18
H
25
NO
3
303.396
33
27
0
0
21399946
zoom
C
18
H
25
NO
3
303.396
33
26
0
0
21400004
zoom
C
18
H
25
NO
3
303.396
30
23
0
0
21399609
zoom
C
18
H
25
NO
3
303.396
30
24
0
0
21399096
zoom
C
18
H
25
NO
3
303.396
30
26
0
0
21400062
zoom
C
18
H
25
NO
3
303.396
29
22
0
0
4139347
- 0/1 defined
zoom
C
18
H
25
NO
3
303.396
28
19
0
0
2188597
- 0/1 defined
zoom
C
18
H
25
NO
3
303.396
28
21
0
0
2350674
- 0/2 defined
zoom
C
18
H
25
NO
3
303.396
26
18
0
0
738462
zoom
C
18
H
25
NO
3
303.396
26
18
0
0
777749
zoom
C
18
H
25
NO
3
303.396
26
18
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement