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 314 results
Search term:
MF = 'C_{21}H_{25}ClFN_{3}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
106780
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
118
163
0
0
12759138
zoom
C
21
H
25
ClFN
3
O
3
421.8929
14
14
0
0
10924068
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
12
10
0
0
2412226
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
10
6
0
0
22171614
zoom
C
21
H
25
ClFN
3
O
3
421.8929
10
9
0
0
22185096
zoom
C
21
H
25
ClFN
3
O
3
421.8929
10
9
0
0
8155200
- 1/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
9
6
0
0
22028541
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
8
7
0
0
7999287
- 2/2 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
8
9
0
0
30506357
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
8
7
0
0
30512357
zoom
C
21
H
25
ClFN
3
O
3
421.8929
8
7
0
0
30700713
zoom
C
21
H
25
ClFN
3
O
3
421.8929
8
8
0
0
31795793
zoom
C
21
H
25
ClFN
3
O
3
421.8929
8
7
0
0
30323396
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
7
5
0
0
8155201
- 1/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
7
5
0
0
67883016
zoom
C
21
H
25
ClFN
3
O
3
421.8929
6
6
0
0
71068575
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
5
6
0
0
447403
- 0/2 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929032
5
5
0
0
31870878
- 0/2 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
4
4
0
0
31931521
- 0/1 defined
zoom
C
21
H
25
ClFN
3
O
3
421.8929
4
4
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement