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 84 results
Search term:
MF = 'C_{8}H_{4}N_{2}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
6703
zoom
C
8
H
4
N
2
O
4
192.1284
145
127
7
25
11286
zoom
C
8
H
4
N
2
O
4
192.1284
143
117
2
11
3857911
zoom
C
8
H
4
N
2
O
4
192.1284
137
119
1
0
3083314
zoom
C
8
H
4
N
2
O
4
192.1284
96
58
0
0
11200031
zoom
C
8
H
4
N
2
O
4
192.1284
59
48
0
3
7991258
zoom
C
8
H
4
N
2
O
4
192.1284
56
32
0
0
217861
zoom
C
8
H
4
N
2
O
4
192.1284
47
31
0
0
26550352
zoom
C
8
H
4
N
2
O
4
192.1284
47
32
0
0
9920167
zoom
C
8
H
4
N
2
O
4
192.1284
43
27
0
0
10698435
zoom
C
8
H
4
N
2
O
4
192.1284
28
23
0
0
8687327
zoom
C
8
H
4
N
2
O
4
192.1284
26
20
0
0
526718
zoom
C
8
H
4
N
2
O
4
192.1284
24
18
0
0
26550353
zoom
C
8
H
4
N
2
O
4
192.1284
23
17
0
0
32867957
zoom
C
8
H
4
N
2
O
4
192.1284
18
13
0
0
10431814
zoom
C
8
H
4
N
2
O
4
192.1284
17
14
0
0
26546261
zoom
C
8
H
4
N
2
O
4
192.12836
14
9
0
0
9074721
zoom
C
8
H
4
N
2
O
4
192.1284
13
8
0
0
9249385
zoom
C
8
H
4
N
2
O
4
192.1284
13
7
0
0
44261284
zoom
C
8
H
4
N
2
O
4
192.1284
13
13
0
0
26550354
zoom
C
8
H
4
N
2
O
4
192.12836
12
6
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement