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 163 results
Search term:
MF = 'C_{4}H_{4}N_{2}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1141
zoom
C
4
H
4
N
2
O
2
112.0868
211
4607
7874
2034
13460
zoom
C
4
H
4
N
2
O
2
112.0868
171
313
0
4
499351
zoom
C
4
H
4
N
2
O
2
112.0868
170
369
0
3
13856
zoom
C
4
H
4
N
2
O
2
112.0868
160
286
11
84
2283974
zoom
C
4
H
4
N
2
O
2
112.0868
157
263
22
35
20632
zoom
C
4
H
4
N
2
O
2
112.0868
155
325
6
98
499361
zoom
C
4
H
4
N
2
O
2
112.0868
132
216
0
1
128631
zoom
C
4
H
4
N
2
O
2
112.0868
89
126
0
1
10506
zoom
C
4
H
4
N
2
O
2
112.0868
88
115
0
11
369914
zoom
C
4
H
4
N
2
O
2
112.0868
78
129
0
0
87312
zoom
C
4
H
4
N
2
O
2
112.0868
75
147
8
86
10431012
zoom
C
4
H
4
N
2
O
2
112.0868
69
83
0
0
2061512
zoom
C
4
H
4
N
2
O
2
112.08676
69
85
7
1
2055086
zoom
C
4
H
4
N
2
O
2
112.08676
66
100
0
10
24180618
zoom
C
4
H
4
N
2
O
2
112.0868
53
64
0
0
13286212
zoom
C
4
H
4
N
2
O
2
112.0868
51
63
0
0
5383439
zoom
C
4
H
4
N
2
O
2
112.0868
50
59
0
0
284606
zoom
C
4
H
4
N
2
O
2
112.0868
46
63
0
2
2051543
zoom
C
4
H
4
N
2
O
2
112.08676
43
62
1
1
15977927
zoom
C
4
H
4
N
2
O
2
112.0868
42
50
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement