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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-.
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Found 257 results
Search term:
MF = 'C_{4}H_{9}NO_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
116
zoom
C
4
H
9
NO
2
103.1198
206
24809
44404
410
5891
zoom
C
4
H
9
NO
2
103.1198
178
1471
25
197
653
zoom
C
4
H
9
NO
2
103.1198
167
456
307
121
6405
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
156
588
18429
618
72524
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
139
251
0
52
388757
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
132
217
0
5
10469
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
126
278
3
16
58481
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
115
418
167
24
468140
zoom
C
4
H
9
NO
2
103.1198
106
140
5
6
10444
zoom
C
4
H
9
NO
2
103.1198
98
179
23
170
8542
zoom
C
4
H
9
NO
2
103.1198
96
127
3
98
2042235
- 1/1 defined
zoom
C
4
H
9
NO
2
103.11976
94
114
0
6
4450824
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
94
191
15
57
4646013
- 1/1 defined
zoom
C
4
H
9
NO
2
103.1198
89
126
0
13
10530
zoom
C
4
H
9
NO
2
103.1198
87
139
61
256
4224
- 0/1 defined
zoom
C
4
H
9
NO
2
103.1198
86
180
93
111
10493
zoom
C
4
H
9
NO
2
103.1198
83
172
79
24
74931
zoom
C
4
H
9
NO
2
103.1198
83
105
8
4
11803
zoom
C
4
H
9
NO
2
103.1198
81
104
18
18
68396
zoom
C
4
H
9
NO
2
103.1198
79
119
5
1
1
2
3
4
5
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