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 614 results
Search term:
MF = 'C_{18}H_{13}FN_{4}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
574203
- 0/1 defined
zoom
C
18
H
13
FN
4
O
2
336.3198
55
40
0
0
635908
zoom
C
18
H
13
FN
4
O
2
336.3198
28
16
0
0
614847
zoom
C
18
H
13
FN
4
O
2
336.3198
26
17
0
0
2267691
zoom
C
18
H
13
FN
4
O
2
336.3198232
24
17
0
0
2897611
zoom
C
18
H
13
FN
4
O
2
336.3198232
19
12
0
0
635910
zoom
C
18
H
13
FN
4
O
2
336.3198
19
10
0
0
34967975
zoom
C
18
H
13
FN
4
O
2
336.3198
19
17
0
0
2897612
zoom
C
18
H
13
FN
4
O
2
336.3198232
18
10
0
0
5541683
zoom
C
18
H
13
FN
4
O
2
336.3198
17
11
0
0
13154587
zoom
C
18
H
13
FN
4
O
2
336.3198
16
15
0
0
3869093
- 0/1 defined
zoom
C
18
H
13
FN
4
O
2
336.3198
15
10
0
0
2685647
zoom
C
18
H
13
FN
4
O
2
336.3198232
15
10
0
0
2903659
zoom
C
18
H
13
FN
4
O
2
336.3198232
14
10
0
0
4212064
zoom
C
18
H
13
FN
4
O
2
336.3198232
14
9
0
0
7192685
zoom
C
18
H
13
FN
4
O
2
336.3198
14
9
0
0
17324146
zoom
C
18
H
13
FN
4
O
2
336.3198
14
11
0
0
26026459
zoom
C
18
H
13
FN
4
O
2
336.3198
14
12
0
0
21760151
zoom
C
18
H
13
FN
4
O
2
336.3198
13
8
0
0
34968028
zoom
C
18
H
13
FN
4
O
2
336.3198
13
10
0
0
13047133
zoom
C
18
H
13
FN
4
O
2
336.3198
13
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement