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ChemSpider
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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
min/max
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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+acetate
M-.
M+Cl
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Found 147 results
Search term:
MF = 'C_{20}H_{21}N_{7}O_{5}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
90816
- 1/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
20
21
0
0
236802
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
12
15
0
0
291750
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
12
41
0
0
2418162
zoom
C
20
H
21
N
7
O
5
439.4246
12
6
0
0
22410325
zoom
C
20
H
21
N
7
O
5
439.4246
10
6
0
0
18462269
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
10
8
0
0
34487903
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
9
8
0
0
29039919
zoom
C
20
H
21
N
7
O
5
439.4246
8
8
0
0
297199
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
8
7
0
0
14598074
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
7
7
0
0
17273176
- 4/4 defined
zoom
C
20
H
21
N
7
O
5
439.4246
6
5
0
0
143892
- 1/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
6
6
0
0
7978986
- 4/4 defined
zoom
C
20
H
21
N
7
O
5
439.4246
5
4
0
0
8178881
zoom
C
20
H
21
N
7
O
5
439.4246
5
4
0
0
21839662
zoom
C
20
H
21
N
7
O
5
439.4246
5
2
0
0
87798
- 1/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
4
4
0
0
23480278
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
4
2
0
0
23480280
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
4
2
0
0
23480281
- 0/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
4
2
0
0
28665101
- 1/1 defined
zoom
C
20
H
21
N
7
O
5
439.4246
4
3
0
0
1
2
3
4
5
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