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 2893 results
Search term:
MF = 'C_{13}H_{9}N_{5}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
26457713
zoom
C
13
H
9
N
5
235.2441
38
28
0
0
920913
zoom
C
13
H
9
N
5
235.2441
36
30
0
0
984519
zoom
C
13
H
9
N
5
235.2441
31
23
0
0
2008248
zoom
C
13
H
9
N
5
235.24406
29
29
0
0
29314640
zoom
C
13
H
9
N
5
235.2441
27
23
0
0
26529234
zoom
C
13
H
9
N
5
235.2441
25
13
0
0
2097259
zoom
C
13
H
9
N
5
235.24406
23
17
0
0
767169
zoom
C
13
H
9
N
5
235.2441
23
15
0
0
767478
zoom
C
13
H
9
N
5
235.2441
22
16
0
0
28517471
zoom
C
13
H
9
N
5
235.2441
19
17
0
0
652177
zoom
C
13
H
9
N
5
235.2441
18
13
0
0
52082370
zoom
C
13
H
9
N
5
235.2441
18
13
0
0
585008
zoom
C
13
H
9
N
5
235.2441
17
11
0
0
21785694
zoom
C
13
H
9
N
5
235.2441
16
9
0
0
2406342
zoom
C
13
H
9
N
5
235.2441
12
5
0
0
20488753
zoom
C
13
H
9
N
5
235.2441
12
7
0
0
511556
zoom
C
13
H
9
N
5
235.2441
11
9
0
0
28631802
zoom
C
13
H
9
N
5
235.2441
11
7
0
0
35331491
zoom
C
13
H
9
N
5
235.2441
11
9
0
0
29321278
zoom
C
13
H
9
N
5
235.2441
10
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement