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 64 results
Search term:
MF = 'C_{4}H_{3}N_{3}O_{4}'
1
2
3
4
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
62351
zoom
C
4
H
3
N
3
O
4
157.0843
150
148
0
11
190503
zoom
C
4
H
3
N
3
O
4
157.0843
146
94
0
0
479652
zoom
C
4
H
3
N
3
O
4
157.0843
136
95
0
0
67656
zoom
C
4
H
3
N
3
O
4
157.0843
123
88
0
0
130799
zoom
C
4
H
3
N
3
O
4
157.0843
87
61
0
0
4911386
zoom
C
4
H
3
N
3
O
4
157.0843
84
123
32
312
4443
zoom
C
4
H
3
N
3
O
4
157.0843
71
126
0
13
224809
zoom
C
4
H
3
N
3
O
4
157.0843
69
66
0
2
10559790
zoom
C
4
H
3
N
3
O
4
157.0843
65
34
0
0
3624442
zoom
C
4
H
3
N
3
O
4
157.08432
55
38
0
0
4250313
zoom
C
4
H
3
N
3
O
4
157.08432
38
30
0
0
10448411
zoom
C
4
H
3
N
3
O
4
157.0843
37
29
0
0
30647829
zoom
C
4
H
3
N
3
O
4
157.0843
22
15
0
0
133395
zoom
C
4
H
3
N
3
O
4
157.0843
20
19
0
0
2015046
zoom
C
4
H
3
N
3
O
4
157.08432
18
14
0
0
15063258
zoom
C
4
H
3
N
3
O
4
157.0843
15
12
0
0
26947946
zoom
C
4
H
3
N
3
O
4
157.0843
15
14
0
0
8550122
zoom
C
4
H
3
N
3
O
4
157.0843
14
10
0
0
24193415
zoom
C
4
H
3
N
3
O
4
157.0843
12
10
0
0
206178
zoom
C
4
H
3
N
3
O
4
157.0843
12
12
0
0
1
2
3
4
Advertisement
Advertisement
Spotlight
Advertisement