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 215 results
Search term:
MF = 'C_{5}H_{4}N_{4}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1151
zoom
C
5
H
4
N
4
O
2
152.1109
187
7552
13014
1663
4483
zoom
C
5
H
4
N
4
O
2
152.1109
137
405
386
8
75117
zoom
C
5
H
4
N
4
O
2
152.1109
68
62
0
0
193562
zoom
C
5
H
4
N
4
O
2
152.1109
60
45
0
0
192919
zoom
C
5
H
4
N
4
O
2
152.1109
55
43
0
68
5380548
zoom
C
5
H
4
N
4
O
2
152.1109
52
38
0
0
10495116
zoom
C
5
H
4
N
4
O
2
152.1109
52
59
0
0
10571693
zoom
C
5
H
4
N
4
O
2
152.1109
45
31
0
1
215948
zoom
C
5
H
4
N
4
O
2
152.1109
45
30
0
0
12517972
zoom
C
5
H
4
N
4
O
2
152.1109
44
30
0
0
466838
zoom
C
5
H
4
N
4
O
2
152.1109
42
34
0
0
75116
zoom
C
5
H
4
N
4
O
2
152.1109
38
30
0
0
10565250
zoom
C
5
H
4
N
4
O
2
152.1109
37
38
0
0
9919517
zoom
C
5
H
4
N
4
O
2
152.1109
34
28
0
0
26520632
zoom
C
5
H
4
N
4
O
2
152.1109
32
20
0
0
1265617
zoom
C
5
H
4
N
4
O
2
152.1109
31
26
0
0
97712
zoom
C
5
H
4
N
4
O
2
152.1109
29
21
0
0
4095347
zoom
C
5
H
4
N
4
O
2
152.11086
29
18
0
0
23375641
zoom
C
5
H
4
N
4
O
2
152.1109
27
17
0
0
2036564
zoom
C
5
H
4
N
4
O
2
152.11086
26
19
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement