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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
M+NH4
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M-.
M+Cl
-e
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Found 117 results
Search term:
MF = 'C_{5}H_{4}N_{4}'
1
2
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4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1015
zoom
C
5
H
4
N
4
120.1121
156
11367
19642
3130
10544158
zoom
C
5
H
4
N
4
120.1121
133
70
0
0
644271
zoom
C
5
H
4
N
4
120.1121
118
70
0
3
3041217
zoom
C
5
H
4
N
4
120.11206
111
67
0
0
714366
zoom
C
5
H
4
N
4
120.1121
110
63
0
4
119862
zoom
C
5
H
4
N
4
120.1121
90
74
37
33
15186485
zoom
C
5
H
4
N
4
120.1121
87
48
0
0
60823
zoom
C
5
H
4
N
4
120.1121
86
175
26
17
10417467
zoom
C
5
H
4
N
4
120.1121
84
63
4
8
218724
zoom
C
5
H
4
N
4
120.1121
83
55
5
3
16159960
zoom
C
5
H
4
N
4
120.1121
82
56
0
0
119861
zoom
C
5
H
4
N
4
120.1121
81
60
0
2
14562342
zoom
C
5
H
4
N
4
120.1121
78
47
0
0
23346795
zoom
C
5
H
4
N
4
120.1121
77
47
0
0
119866
zoom
C
5
H
4
N
4
120.1121
75
64
2
15
120016
zoom
C
5
H
4
N
4
120.1121
72
58
2
3
552231
zoom
C
5
H
4
N
4
120.1121
68
87
29
44
4793998
zoom
C
5
H
4
N
4
120.1121
66
58
14
7
10545484
zoom
C
5
H
4
N
4
120.1121
60
40
0
0
10697735
zoom
C
5
H
4
N
4
120.1121
53
38
0
0
1
2
3
4
5
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