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 845 results
Search term:
MF = 'C_{12}H_{9}NO_{5}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
3339198
zoom
C
12
H
9
NO
5
247.20356
74
61
0
0
683355
zoom
C
12
H
9
NO
5
247.2036
59
39
0
0
498112
zoom
C
12
H
9
NO
5
247.2036
57
46
0
0
600569
zoom
C
12
H
9
NO
5
247.2036
56
43
0
0
1214723
zoom
C
12
H
9
NO
5
247.2036
55
46
0
0
771755
zoom
C
12
H
9
NO
5
247.2036
51
39
0
0
190228
zoom
C
12
H
9
NO
5
247.2036
51
38
0
0
736673
zoom
C
12
H
9
NO
5
247.2036
46
37
0
0
4997278
zoom
C
12
H
9
NO
5
247.2036
46
32
0
0
599758
zoom
C
12
H
9
NO
5
247.2036
44
30
0
1
28553675
zoom
C
12
H
9
NO
5
247.2036
42
30
0
0
2149607
zoom
C
12
H
9
NO
5
247.20356
37
23
0
0
6327102
zoom
C
12
H
9
NO
5
247.2036
36
28
0
0
826863
zoom
C
12
H
9
NO
5
247.2036
35
23
0
1
815427
zoom
C
12
H
9
NO
5
247.2036
31
20
0
0
728106
zoom
C
12
H
9
NO
5
247.2036
31
20
0
0
816987
zoom
C
12
H
9
NO
5
247.2036
30
21
0
0
678239
zoom
C
12
H
9
NO
5
247.2036
29
18
0
0
23376013
zoom
C
12
H
9
NO
5
247.2036
27
19
0
0
28545537
zoom
C
12
H
9
NO
5
247.2036
26
20
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement