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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+
-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
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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
M+acetate
M-.
M+Cl
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Found 31 results
Search term:
MF = 'C_{4}H_{3}NO_{4}'
1
2
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
11268898
zoom
C
4
H
3
NO
4
129.0709
92
69
0
0
24217431
zoom
C
4
H
3
NO
4
129.0709
28
26
0
0
38004512
zoom
C
4
H
3
NO
4
129.0709
26
24
0
0
395385
zoom
C
4
H
3
NO
4
129.0709
25
23
0
0
29379146
zoom
C
4
H
3
NO
4
129.0709
19
10
0
0
9963908
zoom
C
4
H
3
NO
4
129.0709
13
10
0
0
9369414
zoom
C
4
H
3
NO
4
129.0709
6
4
0
0
8483326
zoom
C
4
H
3
NO
4
129.0709
5
9
0
0
37488141
zoom
C
4
H
3
NO
4
129.0709
5
4
0
0
19951415
zoom
C
4
H
3
NO
4
129.072
4
2
0
0
28692699
zoom
C
4
H
3
NO
4
129.0709
4
3
0
0
45694526
zoom
C
4
H
3
NO
4
129.0709
4
4
0
0
57441240
zoom
C
4
H
3
NO
4
129.0709
4
3
0
0
61065026
zoom
C
4
H
3
NO
4
129.0709
3
2
0
0
32992325
zoom
C
4
H
3
NO
4
129.0709
3
3
0
0
32995928
zoom
C
4
H
3
NO
4
129.0709
3
3
0
0
28692692
- 0/1 defined
zoom
C
4
H
3
NO
4
129.0709
3
2
0
0
473816
zoom
C
4
H
3
NO
4
129.0709
3
3
0
0
44784882
zoom
C
4
H
3
NO
4
129.0709
3
3
0
0
61114007
zoom
C
4
H
3
NO
4
129.0709
2
1
0
0
1
2
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