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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:
to
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(example: 123 ± 1)
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Nominal Mass:
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-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
min/max
+/-
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
-e
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Found 261 results
Search term:
MF = 'C_{4}H_{9}N_{3}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
566
zoom
C
4
H
9
N
3
O
2
131.1332
146
17592
28636
775
61020
zoom
C
4
H
9
N
3
O
2
131.1332
117
216
0
0
1175294
zoom
C
4
H
9
N
3
O
2
131.1332
60
44
0
0
9575685
zoom
C
4
H
9
N
3
O
2
131.1332
46
53
0
0
12605
zoom
C
4
H
9
N
3
O
2
131.1332
39
84
7
1
4229283
zoom
C
4
H
9
N
3
O
2
131.13316
37
25
0
0
28542488
zoom
C
4
H
9
N
3
O
2
131.1332
33
31
0
0
28542482
zoom
C
4
H
9
N
3
O
2
131.1332
32
31
0
0
92752
- 0/1 defined
zoom
C
4
H
9
N
3
O
2
131.1332
31
40
137
1
102807
zoom
C
4
H
9
N
3
O
2
131.1332
31
27
0
0
394369
- 1/1 defined
zoom
C
4
H
9
N
3
O
2
131.1332
28
53
0
0
377197
- 0/1 defined
zoom
C
4
H
9
N
3
O
2
131.1332
26
43
139
33
14200571
zoom
C
4
H
9
N
3
O
2
131.1332
21
23
2
0
19218104
zoom
C
4
H
9
N
3
O
2
131.1332
21
25
0
0
19975502
- 1/1 defined
zoom
C
4
H
9
N
3
O
2
131.1332
21
19
0
0
279880
zoom
C
4
H
9
N
3
O
2
131.1332
20
23
0
0
2973973
zoom
C
4
H
9
N
3
O
2
131.13316
20
9
0
0
17926
zoom
C
4
H
9
N
3
O
2
131.1332
20
27
0
0
222487
zoom
C
4
H
9
N
3
O
2
131.1332
19
13
0
0
387121
zoom
C
4
H
9
N
3
O
2
131.1332
18
22
4
9
1
2
3
4
5
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