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 2041 results
Search term:
MF = 'C_{21}H_{27}FN_{4}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4782183
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
14
10
0
0
13120902
zoom
C
21
H
27
FN
4
O
2
386.4631
13
9
0
0
22229089
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
12
9
0
0
22249669
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
12
9
0
0
22846021
- 0/2 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
11
8
0
0
17322329
zoom
C
21
H
27
FN
4
O
2
386.4631
11
9
0
0
22130631
zoom
C
21
H
27
FN
4
O
2
386.4631
11
10
0
0
22189625
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
11
8
0
0
22197665
zoom
C
21
H
27
FN
4
O
2
386.4631
10
9
0
0
22207396
zoom
C
21
H
27
FN
4
O
2
386.4631
10
9
0
0
22222228
zoom
C
21
H
27
FN
4
O
2
386.4631
10
8
0
0
22132626
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
9
0
0
22146042
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
10
0
0
23039197
- 2/2 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
8
0
0
23380794
zoom
C
21
H
27
FN
4
O
2
386.4631
10
7
0
0
22835664
- 2/2 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
8
0
0
22836264
- 2/2 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
8
0
0
22236873
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
8
0
0
22238322
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
9
0
0
22244863
- 0/1 defined
zoom
C
21
H
27
FN
4
O
2
386.4631
10
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement