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 238 results
Search term:
MF = 'C_{20}H_{18}ClNO'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
23078926
zoom
C
20
H
18
ClNO
323.816
32
27
0
0
23078978
zoom
C
20
H
18
ClNO
323.816
32
27
0
0
23078979
zoom
C
20
H
18
ClNO
323.816
32
28
0
0
23079014
zoom
C
20
H
18
ClNO
323.816
32
27
0
0
1552994
zoom
C
20
H
18
ClNO
323.816
32
31
0
0
23079053
zoom
C
20
H
18
ClNO
323.816
32
27
0
0
23079498
zoom
C
20
H
18
ClNO
323.816
32
28
0
0
23079523
zoom
C
20
H
18
ClNO
323.816
32
28
0
0
23078922
zoom
C
20
H
18
ClNO
323.816
31
26
0
0
23078913
zoom
C
20
H
18
ClNO
323.816
31
25
0
23
23079516
zoom
C
20
H
18
ClNO
323.816
31
26
0
0
23079015
zoom
C
20
H
18
ClNO
323.816
31
26
0
0
23079050
zoom
C
20
H
18
ClNO
323.816
31
27
0
0
23079051
zoom
C
20
H
18
ClNO
323.816
31
27
0
0
23079052
zoom
C
20
H
18
ClNO
323.816
30
26
0
0
23079522
zoom
C
20
H
18
ClNO
323.816
30
26
0
0
23078914
- 0/1 defined
zoom
C
20
H
18
ClNO
323.816
30
25
0
0
773009
zoom
C
20
H
18
ClNO
323.816
23
16
0
0
2370125
- 0/3 defined
zoom
C
20
H
18
ClNO
323.81602
21
10
0
0
28792
- 0/2 defined
zoom
C
20
H
18
ClNO
323.816
20
19
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement