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 33 results
Search term:
MF = 'C_{20}H_{16}Cl_{2}O'
1
2
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1267470
zoom
C
20
H
16
Cl
2
O
343.2464
42
32
0
0
1375691
zoom
C
20
H
16
Cl
2
O
343.2464
34
33
0
0
1375690
zoom
C
20
H
16
Cl
2
O
343.2464
19
10
0
0
4797239
zoom
C
20
H
16
Cl
2
O
343.2464
16
13
0
0
1267468
zoom
C
20
H
16
Cl
2
O
343.2464
16
9
0
0
78312
zoom
C
20
H
16
Cl
2
O
343.2464
13
8
0
0
78311
zoom
C
20
H
16
Cl
2
O
343.2464
12
6
0
0
193782
zoom
C
20
H
16
Cl
2
O
343.2464
10
6
0
0
5367955
zoom
C
20
H
16
Cl
2
O
343.2464
8
5
0
0
2835385
zoom
C
20
H
16
Cl
2
O
343.24644
8
7
0
0
2038892
zoom
C
20
H
16
Cl
2
O
343.24644
6
3
0
0
2038893
zoom
C
20
H
16
Cl
2
O
343.24644
6
3
0
0
2038894
zoom
C
20
H
16
Cl
2
O
343.24644
6
3
0
0
2038895
zoom
C
20
H
16
Cl
2
O
343.24644
6
3
0
0
25991803
zoom
C
20
H
16
Cl
2
O
343.2464
6
4
0
0
1267469
zoom
C
20
H
16
Cl
2
O
343.2464
5
4
0
0
3526886
zoom
C
20
H
16
Cl
2
O
343.24644
5
3
0
0
5362216
zoom
C
20
H
16
Cl
2
O
343.2464
4
3
0
0
5986400
zoom
C
20
H
16
Cl
2
O
343.2464
3
2
0
0
5986401
zoom
C
20
H
16
Cl
2
O
343.2464
3
2
0
0
1
2
Advertisement
Advertisement
Spotlight
Advertisement