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 328 results
Search term:
MF = 'C_{21}H_{19}F_{3}N_{4}OS'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4280135
zoom
C
21
H
19
F
3
N
4
OS
432.4619696
22
11
0
0
1657019
zoom
C
21
H
19
F
3
N
4
OS
432.462
21
13
0
0
997398
zoom
C
21
H
19
F
3
N
4
OS
432.462
17
10
0
0
1448947
zoom
C
21
H
19
F
3
N
4
OS
432.462
16
11
0
0
1448802
zoom
C
21
H
19
F
3
N
4
OS
432.462
15
10
0
0
12550070
- 0/2 defined
zoom
C
21
H
19
F
3
N
4
OS
432.462
15
11
0
0
17770306
- 0/2 defined
zoom
C
21
H
19
F
3
N
4
OS
432.462
13
9
0
0
21349406
zoom
C
21
H
19
F
3
N
4
OS
432.462
13
11
0
0
3278480
zoom
C
21
H
19
F
3
N
4
OS
432.462
13
9
0
0
969134
zoom
C
21
H
19
F
3
N
4
OS
432.462
12
6
0
0
969135
zoom
C
21
H
19
F
3
N
4
OS
432.462
12
6
0
0
2592080
zoom
C
21
H
19
F
3
N
4
OS
432.462
12
8
0
0
1739353
zoom
C
21
H
19
F
3
N
4
OS
432.462
11
7
0
0
1954280
zoom
C
21
H
19
F
3
N
4
OS
432.462
11
7
0
0
20404145
zoom
C
21
H
19
F
3
N
4
OS
432.462
11
10
0
0
11000311
zoom
C
21
H
19
F
3
N
4
OS
432.462
11
7
0
0
12525740
- 0/2 defined
zoom
C
21
H
19
F
3
N
4
OS
432.462
11
6
0
0
10919564
zoom
C
21
H
19
F
3
N
4
OS
432.462
10
7
0
0
21101245
zoom
C
21
H
19
F
3
N
4
OS
432.462
10
8
0
0
26314369
zoom
C
21
H
19
F
3
N
4
OS
432.462
10
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement