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 4278 results
Search term:
MF = 'C_{21}H_{25}FN_{2}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
14410
zoom
C
21
H
25
FN
2
O
2
356.4338
75
122
0
1
7907802
zoom
C
21
H
25
FN
2
O
2
356.4338
24
25
0
0
12007212
- 0/1 defined
zoom
C
21
H
25
FN
2
O
2
356.4338
21
15
0
0
851250
zoom
C
21
H
25
FN
2
O
2
356.4338
20
13
0
0
1098585
zoom
C
21
H
25
FN
2
O
2
356.4338
20
16
0
0
2243940
- 0/1 defined
zoom
C
21
H
25
FN
2
O
2
356.4338032
18
16
0
0
12002720
- 0/1 defined
zoom
C
21
H
25
FN
2
O
2
356.4338
17
13
0
0
12002782
- 0/1 defined
zoom
C
21
H
25
FN
2
O
2
356.4338
17
13
0
0
1498746
zoom
C
21
H
25
FN
2
O
2
356.4338
17
11
0
0
2266894
zoom
C
21
H
25
FN
2
O
2
356.4338032
16
13
0
0
12919965
zoom
C
21
H
25
FN
2
O
2
356.4338
16
16
0
0
12924215
zoom
C
21
H
25
FN
2
O
2
356.4338
16
15
0
0
12918884
zoom
C
21
H
25
FN
2
O
2
356.4338
15
13
0
0
21640605
- 0/1 defined
zoom
C
21
H
25
FN
2
O
2
356.4338
15
15
0
0
21681594
zoom
C
21
H
25
FN
2
O
2
356.4338
15
14
0
0
7872828
zoom
C
21
H
25
FN
2
O
2
356.4338
14
11
0
0
21536913
zoom
C
21
H
25
FN
2
O
2
356.4338
14
10
0
0
1633008
zoom
C
21
H
25
FN
2
O
2
356.4338
14
8
0
0
1633009
zoom
C
21
H
25
FN
2
O
2
356.4338
14
9
0
0
3978042
zoom
C
21
H
25
FN
2
O
2
356.4338
13
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement