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 14170 results
Search term:
MF = 'C_{20}H_{25}NO'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
13748
zoom
C
20
H
25
NO
295.4186
87
70
0
0
4735
zoom
C
20
H
25
NO
295.4186
84
93
14
3
64815
- 0/1 defined
zoom
C
20
H
25
NO
295.4186
65
89
0
0
2038749
- 2/2 defined
zoom
C
20
H
25
NO
295.4186
47
38
0
0
5361899
- 2/2 defined
zoom
C
20
H
25
NO
295.4186
44
28
0
0
9687
zoom
C
20
H
25
NO
295.4186
39
61
8
8
110059
zoom
C
20
H
25
NO
295.4186
37
31
0
0
1031419
zoom
C
20
H
25
NO
295.4186
36
22
0
0
1026401
zoom
C
20
H
25
NO
295.4186
35
28
0
0
115729
zoom
C
20
H
25
NO
295.4186
35
27
0
1
364597
zoom
C
20
H
25
NO
295.4186
32
32
0
5
1692994
zoom
C
20
H
25
NO
295.4186
30
19
0
0
22042
- 0/1 defined
zoom
C
20
H
25
NO
295.4186
28
42
9
0
1026380
zoom
C
20
H
25
NO
295.4186
28
16
0
0
1367454
zoom
C
20
H
25
NO
295.4186
28
17
0
0
1022772
zoom
C
20
H
25
NO
295.4186
27
20
0
0
27525258
zoom
C
20
H
25
NO
295.4186
27
20
0
0
27525629
zoom
C
20
H
25
NO
295.4186
26
19
0
0
27525130
zoom
C
20
H
25
NO
295.4186
26
20
0
0
27525193
zoom
C
20
H
25
NO
295.4186
26
19
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement