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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+
+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
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Found 206 results
Search term:
MF = 'C_{20}H_{23}FN_{2}O_{4}S_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
3503177
zoom
C
20
H
23
FN
2
O
4
S
2
438.5360232
16
11
0
0
9918566
- 1/1 defined
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
15
12
0
0
20323524
- 2/2 defined
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
15
11
0
0
20323509
- 2/2 defined
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
14
10
0
0
20323636
- 2/2 defined
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
13
10
0
0
20437802
- 0/1 defined
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
12
12
0
0
2490637
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
12
9
0
0
10990256
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
11
7
0
0
4008925
zoom
C
20
H
23
FN
2
O
4
S
2
438.5360232
10
7
0
0
10998814
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
7
0
0
11016141
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
8
0
0
11154113
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
7
0
0
11820416
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
8
0
0
20789392
- 0/1 defined
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
8
0
0
20789397
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
9
0
0
21738756
- 0/1 defined
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
8
0
0
30675725
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
8
0
0
32691836
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
9
8
0
0
22425515
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
8
6
0
0
22766710
zoom
C
20
H
23
FN
2
O
4
S
2
438.536
8
6
0
0
1
2
3
4
5
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