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 5127 results
Search term:
MF = 'C_{9}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
23741
zoom
C
9
H
9
N
3
O
2
191.1867
138
293
1884
3325
2040100
zoom
C
9
H
9
N
3
O
2
191.18666
115
67
0
0
10019892
zoom
C
9
H
9
N
3
O
2
191.1867
106
56
0
0
5384191
zoom
C
9
H
9
N
3
O
2
191.1867
95
60
0
0
618318
zoom
C
9
H
9
N
3
O
2
191.1867
94
68
0
0
8640560
zoom
C
9
H
9
N
3
O
2
191.1867
91
55
1
0
489621
zoom
C
9
H
9
N
3
O
2
191.1867
88
72
0
0
650542
zoom
C
9
H
9
N
3
O
2
191.1867
87
64
0
0
591864
zoom
C
9
H
9
N
3
O
2
191.1867
83
66
0
0
15990439
zoom
C
9
H
9
N
3
O
2
191.1867
81
55
0
0
288751
zoom
C
9
H
9
N
3
O
2
191.1867
81
48
0
0
21763863
zoom
C
9
H
9
N
3
O
2
191.1867
78
46
0
0
22491598
- 0/1 defined
zoom
C
9
H
9
N
3
O
2
191.1867
77
49
0
0
21402908
zoom
C
9
H
9
N
3
O
2
191.1867
76
42
0
0
23499604
zoom
C
9
H
9
N
3
O
2
191.1867
73
44
0
0
2017974
zoom
C
9
H
9
N
3
O
2
191.18666
70
51
0
0
24540262
zoom
C
9
H
9
N
3
O
2
191.1867
69
44
0
0
224925
zoom
C
9
H
9
N
3
O
2
191.1867
67
49
0
0
28184856
zoom
C
9
H
9
N
3
O
2
191.1867
66
38
0
0
26231971
zoom
C
9
H
9
N
3
O
2
191.1867
64
46
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement