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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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-2H+
-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
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
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Found 126 results
Search term:
MF = 'C_{21}H_{28}F_{2}N_{4}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
57621562
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
13
11
0
0
22246814
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
10
8
0
0
22149229
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
9
7
0
0
30191147
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
8
7
0
0
30534984
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
8
7
0
0
53582015
- 1/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
8
7
0
0
22781366
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
7
6
0
0
65058831
- 2/2 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
6
4
0
0
67964334
- 1/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
6
6
0
0
81362082
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
5
5
0
0
90612446
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
5
4
0
0
53597564
- 1/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
5
4
0
0
29254382
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
5
5
0
0
58906436
- 3/3 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
3
3
0
0
61728793
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
3
3
0
0
68649993
- 2/2 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
3
2
0
0
26335700
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
3
3
0
0
31817306
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
3
2
0
0
21554137
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
3
2
0
0
26337420
- 1/1 defined
zoom
C
21
H
28
F
2
N
4
O
2
406.4694
2
2
0
0
1
2
3
4
5
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