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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
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Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-H
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M-.
M+Cl
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Found 16 results
Search term:
MF = 'C_{4}H_{3}NO'
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
11373911
zoom
C
4
H
3
NO
81.0727
29
26
0
0
558370
zoom
C
4
H
3
NO
81.0727
9
8
0
1
20483510
zoom
C
4
H
3
NO
81.0727
8
9
0
5
9530365
zoom
C
4
H
3
NO
81.0727
6
5
0
0
10640785
zoom
C
4
H
3
NO
81.0727
6
11
2
137
13834593
zoom
C
4
H
3
NO
81.0727
5
4
0
0
9782654
zoom
C
4
H
3
NO
81.0727
4
3
0
0
4937370
zoom
C
4
H
3
NO
81.0727
4
4
0
0
8394862
zoom
C
4
H
3
NO
81.0727
2
1
0
0
61030085
- 0/1 defined
zoom
C
4
H
3
NO
81.0727
2
2
0
0
62978208
zoom
C
4
H
3
NO
81.0727
2
1
0
0
67031470
zoom
C
4
H
3
NO
81.0727
1
1
0
0
67157546
- 0/1 defined
zoom
C
4
H
3
NO
81.0727
1
1
0
0
67176423
zoom
C
4
H
3
NO
81.0727
1
1
0
0
74034277
zoom
C
4
H
3
NO
81.0727
1
1
0
0
29334289
- 0/1 defined
zoom
C
4
H
3
NO
81.0727
1
1
0
0
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