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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 841 results
Search term:
MF = 'C_{13}H_{8}N_{4}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
619864
zoom
C
13
H
8
N
4
O
3
268.2276
47
35
0
0
4485969
zoom
C
13
H
8
N
4
O
3
268.2276
43
38
0
0
619777
zoom
C
13
H
8
N
4
O
3
268.2276
35
23
0
0
757190
zoom
C
13
H
8
N
4
O
3
268.2276
31
23
0
0
514290
zoom
C
13
H
8
N
4
O
3
268.2276
28
20
0
0
590939
zoom
C
13
H
8
N
4
O
3
268.2276
27
19
0
0
757193
zoom
C
13
H
8
N
4
O
3
268.2276
27
17
0
0
627231
zoom
C
13
H
8
N
4
O
3
268.2276
26
17
0
0
757181
zoom
C
13
H
8
N
4
O
3
268.2276
25
18
0
0
757183
zoom
C
13
H
8
N
4
O
3
268.2276
25
16
0
0
174130
zoom
C
13
H
8
N
4
O
3
268.2276
25
19
0
0
4320678
zoom
C
13
H
8
N
4
O
3
268.22762
24
19
0
0
3399138
zoom
C
13
H
8
N
4
O
3
268.22762
23
13
0
0
757191
zoom
C
13
H
8
N
4
O
3
268.2276
22
16
0
0
3526239
zoom
C
13
H
8
N
4
O
3
268.22762
21
14
0
0
2252657
zoom
C
13
H
8
N
4
O
3
268.22762
20
15
0
0
694229
zoom
C
13
H
8
N
4
O
3
268.2276
20
12
0
0
17249734
zoom
C
13
H
8
N
4
O
3
268.2276
19
15
0
0
3322340
zoom
C
13
H
8
N
4
O
3
268.2276
18
11
0
0
9348293
zoom
C
13
H
8
N
4
O
3
268.2276
16
11
0
0
1
2
3
4
5
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