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 3531 results
Search term:
MF = 'C_{11}H_{9}N_{3}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
10561134
zoom
C
11
H
9
N
3
O
199.2087
73
50
0
0
21521295
zoom
C
11
H
9
N
3
O
199.2087
72
47
0
0
426616
zoom
C
11
H
9
N
3
O
199.2087
66
50
0
0
21804959
zoom
C
11
H
9
N
3
O
199.2087
61
36
0
0
75054
zoom
C
11
H
9
N
3
O
199.2087
60
43
0
0
13461493
zoom
C
11
H
9
N
3
O
199.2087
57
71
0
0
4535919
zoom
C
11
H
9
N
3
O
199.2087
48
33
0
0
1737289
zoom
C
11
H
9
N
3
O
199.2087
46
28
0
0
2987770
zoom
C
11
H
9
N
3
O
199.20866
45
43
4
30
3301738
zoom
C
11
H
9
N
3
O
199.2087
43
25
0
0
5503076
zoom
C
11
H
9
N
3
O
199.2087
42
31
0
0
650686
zoom
C
11
H
9
N
3
O
199.2087
41
35
0
0
3083094
zoom
C
11
H
9
N
3
O
199.2087
40
26
0
0
21787171
zoom
C
11
H
9
N
3
O
199.2087
40
32
0
0
2044889
zoom
C
11
H
9
N
3
O
199.20866
39
36
0
0
1838742
zoom
C
11
H
9
N
3
O
199.2087
38
26
0
0
21474474
zoom
C
11
H
9
N
3
O
199.2087
38
23
0
0
8550942
zoom
C
11
H
9
N
3
O
199.2087
38
23
0
0
2311305
zoom
C
11
H
9
N
3
O
199.20866
37
26
0
34
175548
zoom
C
11
H
9
N
3
O
199.2087
37
31
0
19
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement