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 8401 results
Search term:
MF = 'C_{13}H_{11}N_{3}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
454009
zoom
C
13
H
11
N
3
O
3
257.2447
57
44
0
2
223191
zoom
C
13
H
11
N
3
O
3
257.2447
52
33
0
0
531466
zoom
C
13
H
11
N
3
O
3
257.2447
49
40
0
0
267644
zoom
C
13
H
11
N
3
O
3
257.2447
47
35
0
0
674835
zoom
C
13
H
11
N
3
O
3
257.2447
47
36
0
0
695945
zoom
C
13
H
11
N
3
O
3
257.2447
47
34
0
0
10825282
zoom
C
13
H
11
N
3
O
3
257.2447
45
28
0
0
673983
zoom
C
13
H
11
N
3
O
3
257.2447
43
31
0
0
4464117
zoom
C
13
H
11
N
3
O
3
257.24474
43
36
0
0
4357489
zoom
C
13
H
11
N
3
O
3
257.24474
42
32
0
0
3961500
zoom
C
13
H
11
N
3
O
3
257.2447
39
32
0
0
11449259
zoom
C
13
H
11
N
3
O
3
257.2447
39
29
0
0
3561889
zoom
C
13
H
11
N
3
O
3
257.24474
38
21
0
0
203684
zoom
C
13
H
11
N
3
O
3
257.2447
38
29
0
0
639143
zoom
C
13
H
11
N
3
O
3
257.2447
38
24
0
0
2645952
zoom
C
13
H
11
N
3
O
3
257.2447
37
29
1
1
10772339
zoom
C
13
H
11
N
3
O
3
257.2447
37
32
0
0
10561135
zoom
C
13
H
11
N
3
O
3
257.2447
36
30
0
0
734184
zoom
C
13
H
11
N
3
O
3
257.2447
35
22
0
0
588818
zoom
C
13
H
11
N
3
O
3
257.2447
35
20
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement