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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+.
M+K
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
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M-.
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Found 118 results
Search term:
MF = 'C_{5}H_{4}N_{2}O_{4}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
942
zoom
C
5
H
4
N
2
O
4
156.0963
189
1471
1484
107
81524
zoom
C
5
H
4
N
2
O
4
156.0963
171
176
0
1
61722
zoom
C
5
H
4
N
2
O
4
156.0963
157
145
0
46
1013260
zoom
C
5
H
4
N
2
O
4
156.0963
138
74
1
5
69025
zoom
C
5
H
4
N
2
O
4
156.0963
133
110
13
50
5379571
zoom
C
5
H
4
N
2
O
4
156.0963
72
45
0
2
3216736
zoom
C
5
H
4
N
2
O
4
156.0963
68
58
0
0
4979197
zoom
C
5
H
4
N
2
O
4
156.0963
63
92
1
0
3031333
zoom
C
5
H
4
N
2
O
4
156.09626
53
32
0
0
1225175
zoom
C
5
H
4
N
2
O
4
156.0963
52
27
0
0
16497495
zoom
C
5
H
4
N
2
O
4
156.0963
51
40
0
1
27017988
zoom
C
5
H
4
N
2
O
4
156.0963
49
31
0
0
30989294
zoom
C
5
H
4
N
2
O
4
156.0963
37
29
0
0
21926798
zoom
C
5
H
4
N
2
O
4
156.0963
35
25
0
0
14679906
zoom
C
5
H
4
N
2
O
4
156.0963
32
19
0
0
12266
zoom
C
5
H
4
N
2
O
4
156.0963
31
25
3
2
21187
zoom
C
5
H
4
N
2
O
4
156.0963
31
30
0
0
24190996
zoom
C
5
H
4
N
2
O
4
156.0963
26
19
0
0
13211844
zoom
C
5
H
4
N
2
O
4
156.0963
26
29
0
0
4523504
zoom
C
5
H
4
N
2
O
4
156.0963
24
26
2
1
1
2
3
4
5
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