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 4427 results
Search term:
MF = 'C_{11}H_{9}N_{3}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
273500
zoom
C
11
H
9
N
3
O
2
215.2081
126
89
0
1
9416404
zoom
C
11
H
9
N
3
O
2
215.2081
82
48
0
0
21521285
zoom
C
11
H
9
N
3
O
2
215.2081
75
47
0
0
8688252
zoom
C
11
H
9
N
3
O
2
215.2081
69
51
0
0
10466383
zoom
C
11
H
9
N
3
O
2
215.2081
68
223
167
217
73323
zoom
C
11
H
9
N
3
O
2
215.2081
60
43
0
0
10826268
zoom
C
11
H
9
N
3
O
2
215.2081
56
36
0
0
223478
zoom
C
11
H
9
N
3
O
2
215.2081
55
38
0
0
16127140
zoom
C
11
H
9
N
3
O
2
215.2081
53
31
0
0
4580076
zoom
C
11
H
9
N
3
O
2
215.2081
50
51
1
0
22252194
zoom
C
11
H
9
N
3
O
2
215.2081
50
31
0
0
2064549
zoom
C
11
H
9
N
3
O
2
215.20806
49
32
0
0
11568549
zoom
C
11
H
9
N
3
O
2
215.2081
48
31
0
1
531819
zoom
C
11
H
9
N
3
O
2
215.2081
48
38
0
0
28476178
zoom
C
11
H
9
N
3
O
2
215.2081
45
31
0
0
712266
zoom
C
11
H
9
N
3
O
2
215.2081
44
27
0
0
8736007
zoom
C
11
H
9
N
3
O
2
215.2081
44
32
0
0
11333802
zoom
C
11
H
9
N
3
O
2
215.2081
43
24
0
0
13498246
zoom
C
11
H
9
N
3
O
2
215.2081
40
33
0
0
4753499
zoom
C
11
H
9
N
3
O
2
215.2081
39
39
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement