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 696 results
Search term:
MF = 'C_{5}H_{8}N_{4}O'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
14716
zoom
C
5
H
8
N
4
O
140.1432
138
142
1
13
644296
zoom
C
5
H
8
N
4
O
140.1432
98
72
2
3
713652
zoom
C
5
H
8
N
4
O
140.1432
89
50
0
9
233489
zoom
C
5
H
8
N
4
O
140.1432
87
57
0
0
220843
zoom
C
5
H
8
N
4
O
140.1432
84
63
0
0
713726
zoom
C
5
H
8
N
4
O
140.1432
77
47
0
0
261132
zoom
C
5
H
8
N
4
O
140.1432
73
38
0
0
4985789
zoom
C
5
H
8
N
4
O
140.1432
73
58
0
0
4985780
zoom
C
5
H
8
N
4
O
140.1432
67
49
0
0
830279
zoom
C
5
H
8
N
4
O
140.1432
63
44
0
0
5383550
zoom
C
5
H
8
N
4
O
140.1432
59
45
0
0
23041416
zoom
C
5
H
8
N
4
O
140.1432
59
42
0
0
411761
zoom
C
5
H
8
N
4
O
140.1432
57
43
0
0
12264046
zoom
C
5
H
8
N
4
O
140.1432
56
32
0
0
12539460
zoom
C
5
H
8
N
4
O
140.1432
56
44
0
0
5380663
zoom
C
5
H
8
N
4
O
140.1432
56
40
0
0
4925840
zoom
C
5
H
8
N
4
O
140.1432
51
38
0
0
833561
zoom
C
5
H
8
N
4
O
140.1432
50
36
0
0
797677
zoom
C
5
H
8
N
4
O
140.1432
50
38
0
0
318685
zoom
C
5
H
8
N
4
O
140.1432
49
31
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement