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 848 results
Search term:
MF = 'C_{20}H_{18}ClNO_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2812116
zoom
C
20
H
18
ClNO
2
339.81542
44
36
0
0
3702700
zoom
C
20
H
18
ClNO
2
339.81542
43
33
0
0
3205300
zoom
C
20
H
18
ClNO
2
339.8154
41
34
0
0
21329866
- 0/1 defined
zoom
C
20
H
18
ClNO
2
339.8154
39
29
0
0
21329892
zoom
C
20
H
18
ClNO
2
339.8154
38
29
0
0
13047626
zoom
C
20
H
18
ClNO
2
339.8154
38
35
0
0
21329865
zoom
C
20
H
18
ClNO
2
339.8154
37
28
0
0
21329893
- 0/1 defined
zoom
C
20
H
18
ClNO
2
339.8154
37
27
0
0
4312595
zoom
C
20
H
18
ClNO
2
339.81542
33
23
0
0
23079031
zoom
C
20
H
18
ClNO
2
339.8154
33
30
0
0
23078996
zoom
C
20
H
18
ClNO
2
339.8154
32
28
0
0
23078932
zoom
C
20
H
18
ClNO
2
339.8154
32
27
0
0
23078916
zoom
C
20
H
18
ClNO
2
339.8154
32
27
0
0
23079534
zoom
C
20
H
18
ClNO
2
339.8154
32
27
0
0
23078931
zoom
C
20
H
18
ClNO
2
339.8154
31
27
0
23
23078933
zoom
C
20
H
18
ClNO
2
339.8154
31
26
0
0
23078995
zoom
C
20
H
18
ClNO
2
339.8154
31
26
0
0
23078997
zoom
C
20
H
18
ClNO
2
339.8154
31
26
0
0
23079034
zoom
C
20
H
18
ClNO
2
339.8154
31
27
0
0
23079039
zoom
C
20
H
18
ClNO
2
339.8154
31
28
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement