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 859 results
Search term:
MF = 'C_{11}H_{7}N_{3}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
21267967
zoom
C
11
H
7
N
3
O
3
229.1916
48
30
0
0
4985803
zoom
C
11
H
7
N
3
O
3
229.1916
47
30
0
0
534761
zoom
C
11
H
7
N
3
O
3
229.1916
39
29
0
0
4985807
zoom
C
11
H
7
N
3
O
3
229.1916
36
21
0
0
20572189
zoom
C
11
H
7
N
3
O
3
229.1916
32
24
0
0
15382472
zoom
C
11
H
7
N
3
O
3
229.1916
29
20
0
0
128546
zoom
C
11
H
7
N
3
O
3
229.1916
29
21
0
0
21785696
zoom
C
11
H
7
N
3
O
3
229.1916
27
19
0
0
32081725
zoom
C
11
H
7
N
3
O
3
229.1916
25
18
0
0
17460340
zoom
C
11
H
7
N
3
O
3
229.1916
24
16
0
0
21760182
zoom
C
11
H
7
N
3
O
3
229.1916
24
17
0
0
8075061
zoom
C
11
H
7
N
3
O
3
229.1916
22
14
0
0
8053628
zoom
C
11
H
7
N
3
O
3
229.1916
21
13
0
0
1244795
zoom
C
11
H
7
N
3
O
3
229.1916
20
15
0
0
11323262
zoom
C
11
H
7
N
3
O
3
229.1916
20
13
0
0
137661
zoom
C
11
H
7
N
3
O
3
229.1916
18
17
0
0
3070880
zoom
C
11
H
7
N
3
O
3
229.1916
18
11
0
0
2009436
zoom
C
11
H
7
N
3
O
3
229.19158
17
10
0
0
3953377
zoom
C
11
H
7
N
3
O
3
229.1916
16
10
0
0
1727759
zoom
C
11
H
7
N
3
O
3
229.1916
15
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement