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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:
to
±
(example: 123 ± 1)
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+/-
Nominal Mass:
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±
-2H+
-H+
+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
min/max
+/-
Monoisotopic 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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Found 17493 results
Search term:
MF = 'C_{13}H_{14}N_{4}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4837
zoom
C
13
H
14
N
4
O
2
258.2759
60
95
0
0
3317399
- 0/1 defined
zoom
C
13
H
14
N
4
O
2
258.2759
44
35
0
0
4515028
zoom
C
13
H
14
N
4
O
2
258.2759
40
46
0
0
21800288
- 0/1 defined
zoom
C
13
H
14
N
4
O
2
258.2759
35
25
0
0
653602
zoom
C
13
H
14
N
4
O
2
258.2759
30
20
0
0
11138899
zoom
C
13
H
14
N
4
O
2
258.2759
29
22
0
0
12551377
zoom
C
13
H
14
N
4
O
2
258.2759
29
22
0
0
21266366
zoom
C
13
H
14
N
4
O
2
258.2759
27
18
0
0
10824754
zoom
C
13
H
14
N
4
O
2
258.2759
27
18
0
0
4463953
zoom
C
13
H
14
N
4
O
2
258.27586
27
19
0
0
4490034
zoom
C
13
H
14
N
4
O
2
258.2759
27
20
0
0
626822
zoom
C
13
H
14
N
4
O
2
258.2759
27
20
0
0
4500211
zoom
C
13
H
14
N
4
O
2
258.2759
26
17
0
0
29372823
- 0/1 defined
zoom
C
13
H
14
N
4
O
2
258.2759
26
19
0
0
29372882
- 0/1 defined
zoom
C
13
H
14
N
4
O
2
258.2759
26
19
0
0
3651364
zoom
C
13
H
14
N
4
O
2
258.27586
26
16
0
0
2107484
zoom
C
13
H
14
N
4
O
2
258.27586
26
15
0
0
585081
zoom
C
13
H
14
N
4
O
2
258.2759
25
19
0
0
654988
zoom
C
13
H
14
N
4
O
2
258.2759
24
14
0
0
2383016
zoom
C
13
H
14
N
4
O
2
258.27586
24
16
0
0
1
2
3
4
5
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