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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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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
M+H
M-H
M+acetate
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+e
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M+CH3CNH
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Found 63 results
Search term:
MF = 'C_{5}H_{4}O_{4}'
1
2
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4
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
15334924
zoom
C
5
H
4
O
4
128.0829
53
43
0
0
9269772
zoom
C
5
H
4
O
4
128.0829
21
20
0
0
256289
zoom
C
5
H
4
O
4
128.0829
14
8
0
0
3373337
zoom
C
5
H
4
O
4
128.08286
14
11
0
0
4411426
- 0/1 defined
zoom
C
5
H
4
O
4
128.08286
11
10
0
0
29321266
zoom
C
5
H
4
O
4
128.0829
10
8
0
0
24217673
zoom
C
5
H
4
O
4
128.0829
9
5
0
0
10465121
zoom
C
5
H
4
O
4
128.0829
9
6
0
6
14482627
zoom
C
5
H
4
O
4
128.0829
9
5
0
73
27016476
- 0/1 defined
zoom
C
5
H
4
O
4
128.0829
8
7
0
0
24192164
zoom
C
5
H
4
O
4
128.0829
8
5
0
0
32994579
zoom
C
5
H
4
O
4
128.0829
8
7
0
0
30798652
zoom
C
5
H
4
O
4
128.0829
7
2
0
0
4573697
zoom
C
5
H
4
O
4
128.084
7
40
2
11
5591462
zoom
C
5
H
4
O
4
128.084
6
23
30
75
57476200
- 0/1 defined
zoom
C
5
H
4
O
4
128.0829
6
7
0
0
4574440
zoom
C
5
H
4
O
4
128.084
5
5
2
11
10284280
zoom
C
5
H
4
O
4
128.0829
5
5
0
0
50645374
zoom
C
5
H
4
O
4
128.0829
5
5
0
0
28466279
zoom
C
5
H
4
O
4
128.0829
5
4
0
0
1
2
3
4
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