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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+
+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-H
M+acetate
M-.
M+Cl
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Found 595 results
Search term:
MF = 'C_{21}H_{21}N_{5}O_{6}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
108535
zoom
C
21
H
21
N
5
O
6
439.4213
24
29
0
0
3396772
zoom
C
21
H
21
N
5
O
6
439.42134
21
13
0
0
10177283
zoom
C
21
H
21
N
5
O
6
439.4213
18
12
0
0
4462346
- 0/1 defined
zoom
C
21
H
21
N
5
O
6
439.42134
17
14
0
0
1238858
zoom
C
21
H
21
N
5
O
6
439.4213
17
12
0
0
3952456
zoom
C
21
H
21
N
5
O
6
439.4213
16
10
0
0
5261663
zoom
C
21
H
21
N
5
O
6
439.4213
16
11
0
0
10177244
zoom
C
21
H
21
N
5
O
6
439.4213
16
12
0
0
34982835
zoom
C
21
H
21
N
5
O
6
439.4213
16
15
0
0
34982836
zoom
C
21
H
21
N
5
O
6
439.4213
15
14
0
0
21682039
zoom
C
21
H
21
N
5
O
6
439.4213
15
12
0
0
10177079
zoom
C
21
H
21
N
5
O
6
439.4213
14
13
0
0
1684136
zoom
C
21
H
21
N
5
O
6
439.4213
14
9
0
0
2338371
- 1/1 defined
zoom
C
21
H
21
N
5
O
6
439.42134
14
13
0
0
3368943
zoom
C
21
H
21
N
5
O
6
439.42134
14
11
0
0
18471938
- 0/2 defined
zoom
C
21
H
21
N
5
O
6
439.4213
13
10
0
0
18473003
- 0/2 defined
zoom
C
21
H
21
N
5
O
6
439.4213
13
10
0
0
18473004
- 0/2 defined
zoom
C
21
H
21
N
5
O
6
439.4213
13
10
0
0
114077
- 1/1 defined
zoom
C
21
H
21
N
5
O
6
439.4213
12
11
0
0
287270
- 0/1 defined
zoom
C
21
H
21
N
5
O
6
439.4213
12
22
0
0
1
2
3
4
5
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