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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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±
-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
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Found 500 results
Search term:
MF = 'C_{21}H_{21}F_{3}N_{2}O_{5}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4465705
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
20
14
0
0
2399029
- 0/3 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
19
9
0
0
2720342
- 0/3 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
16
7
0
0
30812351
- 2/2 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.397
15
16
0
0
2194430
- 0/3 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
14
7
0
0
2750991
- 0/2 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
13
11
0
0
2762694
- 0/3 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
13
7
0
0
2845627
- 0/3 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
13
7
0
0
3317861
- 0/1 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.397
13
9
0
0
3317863
- 0/1 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.397
13
9
0
0
8021679
- 1/1 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.397
12
10
0
0
10009108
- 1/1 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.397
12
10
0
0
1877880
zoom
C
21
H
21
F
3
N
2
O
5
438.397
11
8
0
0
3747275
- 0/1 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
11
9
0
0
22434581
zoom
C
21
H
21
F
3
N
2
O
5
438.397
11
8
0
0
11011586
zoom
C
21
H
21
F
3
N
2
O
5
438.397
11
8
0
0
12029167
- 0/1 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.397
10
7
0
0
2096220
- 0/1 defined
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
10
8
0
0
10899340
zoom
C
21
H
21
F
3
N
2
O
5
438.397
10
8
0
0
2248668
zoom
C
21
H
21
F
3
N
2
O
5
438.3970496
9
8
0
0
1
2
3
4
5
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