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 191 results
Search term:
MF = 'C_{21}H_{24}ClFN_{4}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
446941
- 1/1 defined
zoom
C
21
H
24
ClFN
4
O
3
434.8917
62
60
0
0
22160580
- 0/1 defined
zoom
C
21
H
24
ClFN
4
O
3
434.8917
12
10
0
0
4063394
zoom
C
21
H
24
ClFN
4
O
3
434.8916632
11
9
0
0
13124547
zoom
C
21
H
24
ClFN
4
O
3
434.8917
11
9
0
0
22518131
zoom
C
21
H
24
ClFN
4
O
3
434.8917
10
6
0
0
21933934
zoom
C
21
H
24
ClFN
4
O
3
434.8917
10
8
0
0
21934195
zoom
C
21
H
24
ClFN
4
O
3
434.8917
10
8
0
0
26323578
zoom
C
21
H
24
ClFN
4
O
3
434.8917
9
8
0
0
13127195
zoom
C
21
H
24
ClFN
4
O
3
434.8917
9
8
0
0
21962955
- 0/2 defined
zoom
C
21
H
24
ClFN
4
O
3
434.8917
8
6
0
0
28373285
zoom
C
21
H
24
ClFN
4
O
3
434.8917
7
7
0
0
29973612
zoom
C
21
H
24
ClFN
4
O
3
434.8917
7
7
0
0
71076102
- 2/2 defined
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
6
0
0
71286192
- 0/1 defined
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
6
0
0
28373286
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
6
0
0
29900653
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
4
0
0
2456143
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
3
0
0
28372391
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
6
0
0
28372614
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
6
0
0
28372615
zoom
C
21
H
24
ClFN
4
O
3
434.8917
6
6
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement