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 167 results
Search term:
MF = 'C_{20}H_{13}F_{3}N_{4}O_{2}S'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
10609411
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
73
65
0
0
1620603
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
25
19
0
0
1181334
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
20
12
0
0
926219
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
19
15
0
0
939207
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
19
11
0
0
1142900
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
19
11
0
0
1235184
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
17
10
0
0
6212546
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
16
9
0
0
18486331
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
16
9
0
0
13119587
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
15
16
0
0
7905077
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
14
7
0
0
1235110
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
14
9
0
0
1880117
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
13
8
0
0
1438193
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
13
11
0
0
13159737
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
13
14
0
0
21261116
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
12
9
0
0
21338308
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
11
9
0
0
30807448
zoom
C
20
H
13
F
3
N
4
O
2
S
430.403
11
8
0
0
2147193
zoom
C
20
H
13
F
3
N
4
O
2
S
430.4030296
11
6
0
0
2881178
zoom
C
20
H
13
F
3
N
4
O
2
S
430.4030296
11
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement