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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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-2H+
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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
min/max
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Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
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M-H
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M-.
M+Cl
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Found 86 results
Search term:
MF = 'C_{4}H_{5}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
11192609
- 0/1 defined
zoom
C
4
H
5
NO
4
131.0868
40
39
0
0
18745653
- 1/1 defined
zoom
C
4
H
5
NO
4
131.0868
30
27
0
0
13628208
zoom
C
4
H
5
NO
4
131.0868
29
33
0
1
124344
- 0/2 defined
zoom
C
4
H
5
NO
4
131.0868
29
24
0
0
388782
zoom
C
4
H
5
NO
4
131.0868
28
29
0
1
10658163
- 0/1 defined
zoom
C
4
H
5
NO
4
131.0868
28
24
0
0
9030776
zoom
C
4
H
5
NO
4
131.0868
20
23
0
0
77662
- 0/1 defined
zoom
C
4
H
5
NO
4
131.0868
19
22
0
0
62367658
- 1/1 defined
zoom
C
4
H
5
NO
4
131.0868
19
14
0
0
34208468
- 2/2 defined
zoom
C
4
H
5
NO
4
131.0868
17
13
0
0
29788062
- 1/1 defined
zoom
C
4
H
5
NO
4
131.0868
14
14
0
0
29777955
- 2/2 defined
zoom
C
4
H
5
NO
4
131.0868
12
10
0
0
2338572
- 2/2 defined
zoom
C
4
H
5
NO
4
131.0868
12
11
0
0
24195199
zoom
C
4
H
5
NO
4
131.0868
11
10
0
0
11582505
- 0/2 defined
zoom
C
4
H
5
NO
4
131.0868
11
22
0
4
3714789
- 0/1 defined
zoom
C
4
H
5
NO
4
131.0868
9
41
49200
1284
11634586
- 0/2 defined
zoom
C
4
H
5
NO
4
131.0868
8
7
0
0
4532899
zoom
C
4
H
5
NO
4
131.0868
7
6
0
0
4574046
- 1/1 defined
zoom
C
4
H
5
NO
4
131.0879
7
24
49154
1274
2590793
zoom
C
4
H
5
NO
4
131.0879
7
78
227
349
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