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 303 results
Search term:
MF = 'C_{20}H_{16}ClF_{3}N_{2}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1273443
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
24
13
0
0
1274620
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
23
12
0
0
3430733
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014496
17
16
0
0
1213292
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
16
14
0
0
1589209
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
14
8
0
0
1200973
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
13
7
0
0
21353762
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
13
10
0
0
2100600
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014496
12
8
0
0
23038058
- 2/2 defined
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
10
8
0
0
34495007
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
10
9
0
0
34494905
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
9
8
0
0
3196858
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
9
8
0
0
1828516
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
8
3
0
0
29277072
- 0/1 defined
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
8
5
0
0
30395030
- 0/1 defined
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
8
8
0
0
30504137
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
8
7
0
0
21714893
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
8
6
0
0
22821171
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
8
6
0
0
22771063
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
7
6
0
0
22771134
zoom
C
20
H
16
ClF
3
N
2
O
2
408.8014
7
6
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement