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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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Found 137 results
Search term:
MF = 'C_{4}H_{4}N_{2}O_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
5976
zoom
C
4
H
4
N
2
O
3
128.0862
136
593
798
876
1167484
zoom
C
4
H
4
N
2
O
3
128.0862
101
72
0
1
66014
zoom
C
4
H
4
N
2
O
3
128.0862
92
166
91
26
278468
zoom
C
4
H
4
N
2
O
3
128.0862
89
62
0
0
2341701
zoom
C
4
H
4
N
2
O
3
128.08616
83
73
0
0
14440701
zoom
C
4
H
4
N
2
O
3
128.0862
77
41
0
4
10711339
zoom
C
4
H
4
N
2
O
3
128.0862
76
46
0
1
11646533
zoom
C
4
H
4
N
2
O
3
128.0862
67
44
0
0
109811
zoom
C
4
H
4
N
2
O
3
128.0862
66
60
0
0
25949932
zoom
C
4
H
4
N
2
O
3
128.0862
59
40
0
0
448104
zoom
C
4
H
4
N
2
O
3
128.08616
55
33
0
11
87562
zoom
C
4
H
4
N
2
O
3
128.0862
46
55
0
0
104596
zoom
C
4
H
4
N
2
O
3
128.0862
46
33
0
0
257907
zoom
C
4
H
4
N
2
O
3
128.0862
41
32
0
0
18593096
zoom
C
4
H
4
N
2
O
3
128.0862
41
27
0
0
15545820
zoom
C
4
H
4
N
2
O
3
128.0862
39
29
0
3
5259011
zoom
C
4
H
4
N
2
O
3
128.0862
39
30
0
0
10219082
zoom
C
4
H
4
N
2
O
3
128.0862
39
23
0
0
493450
zoom
C
4
H
4
N
2
O
3
128.0862
36
26
0
0
21472564
zoom
C
4
H
4
N
2
O
3
128.0862
30
22
0
0
1
2
3
4
5
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