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ChemSpider
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Structure
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
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(example: 123 ± 1)
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Nominal Mass:
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+H+
+2H+
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
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Monoisotopic Mass:
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M+CH3CNH
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M+.
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M+Na
M+NH4
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M-.
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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
208
4595
7874
2034
13460
zoom
C
4
H
4
N
2
O
2
112.0868
169
308
0
4
499351
zoom
C
4
H
4
N
2
O
2
112.0868
168
366
0
3
13856
zoom
C
4
H
4
N
2
O
2
112.0868
158
282
11
84
2283974
zoom
C
4
H
4
N
2
O
2
112.0868
155
257
22
35
20632
zoom
C
4
H
4
N
2
O
2
112.0868
153
322
6
98
499361
zoom
C
4
H
4
N
2
O
2
112.0868
131
215
0
1
10506
zoom
C
4
H
4
N
2
O
2
112.0868
88
115
0
11
128631
zoom
C
4
H
4
N
2
O
2
112.0868
88
125
0
1
369914
zoom
C
4
H
4
N
2
O
2
112.0868
77
127
0
0
87312
zoom
C
4
H
4
N
2
O
2
112.0868
74
146
8
86
10431012
zoom
C
4
H
4
N
2
O
2
112.0868
68
82
0
0
2061512
zoom
C
4
H
4
N
2
O
2
112.08676
68
84
7
1
2055086
zoom
C
4
H
4
N
2
O
2
112.08676
65
98
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
50
62
0
0
5383439
zoom
C
4
H
4
N
2
O
2
112.0868
49
58
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
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