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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+.
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-.
M+Cl
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Found 147 results
Search term:
MF = 'C_{4}H_{5}NO_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
10955
zoom
C
4
H
5
NO
2
99.088
146
611
879
1994
23167
zoom
C
4
H
5
NO
2
99.088
132
208
1
0
62545
zoom
C
4
H
5
NO
2
99.088
114
194
0
95
13867413
zoom
C
4
H
5
NO
2
99.088
108
1907
5
138
231083
zoom
C
4
H
5
NO
2
99.088
104
160
0
4
11196574
zoom
C
4
H
5
NO
2
99.088
88
121
1
0
11229624
zoom
C
4
H
5
NO
2
99.088
88
125
0
0
11659186
zoom
C
4
H
5
NO
2
99.088
85
122
0
0
476798
zoom
C
4
H
5
NO
2
99.088
79
112
4
31
11659338
zoom
C
4
H
5
NO
2
99.088
75
92
0
0
10714036
zoom
C
4
H
5
NO
2
99.088
73
98
0
0
479759
zoom
C
4
H
5
NO
2
99.088
65
96
1
1
14555553
zoom
C
4
H
5
NO
2
99.088
53
61
0
2
313258
- 0/1 defined
zoom
C
4
H
5
NO
2
99.088
47
53
0
0
10537879
zoom
C
4
H
5
NO
2
99.088
46
74
0
0
12952341
zoom
C
4
H
5
NO
2
99.088
46
54
0
0
13243
zoom
C
4
H
5
NO
2
99.088
38
47
0
3
26073
zoom
C
4
H
5
NO
2
99.088
36
42
0
2
13442931
zoom
C
4
H
5
NO
2
99.088
35
46
0
0
168011
zoom
C
4
H
5
NO
2
99.088
31
36
1
0
1
2
3
4
5
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