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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
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M-H
M+acetate
M-.
M+Cl
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Found 165 results
Search term:
MF = 'C_{21}H_{28}F_{2}N_{4}O'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
3957468
- 0/2 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
17
12
0
0
22123773
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
10
10
0
0
22229660
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
10
8
0
0
22524509
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
8
7
0
0
22186503
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
8
8
0
0
30366832
zoom
C
21
H
28
F
2
N
4
O
390.47
8
6
0
0
30921113
zoom
C
21
H
28
F
2
N
4
O
390.47
7
5
0
0
30975353
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
7
6
0
0
53583389
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
7
6
0
0
53597484
- 1/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
7
6
0
0
53597495
- 1/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
7
6
0
0
57977220
- 0/2 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
7
8
0
0
64992625
- 0/2 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
6
6
0
0
65128812
zoom
C
21
H
28
F
2
N
4
O
390.47
6
6
0
0
67900958
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
6
6
0
0
22208169
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
6
4
0
0
29448104
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
6
5
0
0
22148185
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
6
4
0
0
22175356
- 0/1 defined
zoom
C
21
H
28
F
2
N
4
O
390.47
6
6
0
0
30709906
zoom
C
21
H
28
F
2
N
4
O
390.47
6
7
0
0
1
2
3
4
5
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