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 1529 results
Search term:
MF = 'C_{18}H_{20}FN_{3}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4422
- 0/1 defined
zoom
C
18
H
20
FN
3
O
4
361.3675
171
5183
5012
43
131410
- 1/1 defined
zoom
C
18
H
20
FN
3
O
4
361.3675
137
240
3824
28
398760
- 1/1 defined
zoom
C
18
H
20
FN
3
O
4
361.3675
63
68
0
0
409257
zoom
C
18
H
20
FN
3
O
4
361.3675
57
43
0
0
137610
zoom
C
18
H
20
FN
3
O
4
361.3675
44
31
0
0
58805665
- 3/3 defined
zoom
C
18
H
20
FN
3
O
4
361.3675
40
44
0
0
22546868
- 0/1 defined
zoom
C
18
H
20
FN
3
O
4
361.3675
37
32
0
0
32698577
- 0/1 defined
zoom
C
18
H
20
FN
3
O
4
361.3675
25
36
0
0
2162009
zoom
C
18
H
20
FN
3
O
4
361.3675032
23
15
0
0
31047111
- 1/1 defined
zoom
C
18
H
20
FN
3
O
4
361.3675
19
21
0
0
3173343
zoom
C
18
H
20
FN
3
O
4
361.3675
15
9
0
0
1041650
zoom
C
18
H
20
FN
3
O
4
361.3675
15
11
0
0
1150715
zoom
C
18
H
20
FN
3
O
4
361.3675
14
11
0
0
964039
zoom
C
18
H
20
FN
3
O
4
361.3675
14
11
0
0
5515598
zoom
C
18
H
20
FN
3
O
4
361.3675
14
11
0
0
5672978
zoom
C
18
H
20
FN
3
O
4
361.3675
13
9
0
0
27320445
zoom
C
18
H
20
FN
3
O
4
361.3675
13
9
0
0
27328707
zoom
C
18
H
20
FN
3
O
4
361.3675
13
9
0
0
1906858
zoom
C
18
H
20
FN
3
O
4
361.3675
13
8
0
0
4362653
zoom
C
18
H
20
FN
3
O
4
361.3675032
13
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement