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 2240 results
Search term:
MF = 'C_{23}H_{18}N_{2}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
113786
zoom
C
23
H
18
N
2
O
3
370.4006
36
26
0
0
1147623
zoom
C
23
H
18
N
2
O
3
370.4006
30
17
0
0
2112379
- 0/2 defined
zoom
C
23
H
18
N
2
O
3
370.40062
30
20
0
0
2180253
zoom
C
23
H
18
N
2
O
3
370.40062
28
16
0
0
874245
zoom
C
23
H
18
N
2
O
3
370.4006
28
19
0
0
895377
zoom
C
23
H
18
N
2
O
3
370.4006
28
17
0
0
865765
zoom
C
23
H
18
N
2
O
3
370.4006
27
18
0
0
873882
zoom
C
23
H
18
N
2
O
3
370.4006
27
18
0
0
856434
zoom
C
23
H
18
N
2
O
3
370.4006
26
16
0
0
881238
zoom
C
23
H
18
N
2
O
3
370.4006
25
22
0
0
892087
zoom
C
23
H
18
N
2
O
3
370.4006
25
16
0
0
2203729
zoom
C
23
H
18
N
2
O
3
370.40062
25
16
0
0
3586409
zoom
C
23
H
18
N
2
O
3
370.40062
25
24
0
0
1439313
zoom
C
23
H
18
N
2
O
3
370.4006
25
14
0
0
5263707
zoom
C
23
H
18
N
2
O
3
370.4006
24
18
0
0
12933163
zoom
C
23
H
18
N
2
O
3
370.4006
24
19
0
0
190336
- 0/1 defined
zoom
C
23
H
18
N
2
O
3
370.4006
24
19
0
0
1462317
zoom
C
23
H
18
N
2
O
3
370.4006
23
14
0
0
1625389
zoom
C
23
H
18
N
2
O
3
370.4006
23
17
0
0
1666970
zoom
C
23
H
18
N
2
O
3
370.4006
23
18
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement