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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:
to
±
(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 1018 results
Search term:
MF = 'C_{21}H_{22}N_{4}O_{5}S_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1459227
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
22
17
0
0
3369145
- 0/2 defined
zoom
C
21
H
22
N
4
O
5
S
2
474.55318
22
18
0
0
4693297
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
21
14
0
0
1293458
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
20
15
0
0
1417827
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
19
14
0
0
1273486
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
19
10
0
0
12554449
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
18
13
0
0
12554484
- 0/1 defined
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
18
13
0
0
565044
- 0/1 defined
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
17
10
0
0
2383620
zoom
C
21
H
22
N
4
O
5
S
2
474.55318
17
10
0
0
4099676
zoom
C
21
H
22
N
4
O
5
S
2
474.55318
17
12
0
0
4460755
zoom
C
21
H
22
N
4
O
5
S
2
474.55318
17
14
0
0
3838408
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
16
10
0
0
18462417
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
16
13
0
0
17578112
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
15
10
0
0
1899074
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
15
10
0
0
12250081
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
15
10
0
0
2489479
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
15
11
0
0
2496189
- 0/2 defined
zoom
C
21
H
22
N
4
O
5
S
2
474.5532
15
11
0
0
3347305
zoom
C
21
H
22
N
4
O
5
S
2
474.55318
15
10
0
0
1
2
3
4
5
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