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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
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M-.
M+Cl
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Found 350 results
Search term:
MF = 'C_{20}H_{20}N_{4}O_{6}S_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1404603
zoom
C
20
H
20
N
4
O
6
S
2
476.526
31
21
0
0
1406757
zoom
C
20
H
20
N
4
O
6
S
2
476.526
26
16
0
0
1482359
zoom
C
20
H
20
N
4
O
6
S
2
476.526
21
14
0
0
2222553
- 0/1 defined
zoom
C
20
H
20
N
4
O
6
S
2
476.526
19
18
0
0
2680760
- 0/1 defined
zoom
C
20
H
20
N
4
O
6
S
2
476.526
14
9
0
0
3616439
zoom
C
20
H
20
N
4
O
6
S
2
476.526
13
11
0
0
1562862
zoom
C
20
H
20
N
4
O
6
S
2
476.526
13
9
0
0
1919792
zoom
C
20
H
20
N
4
O
6
S
2
476.526
13
9
0
0
4041702
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
8
0
0
18436343
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
9
0
0
18436403
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
9
0
0
18436464
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
9
0
0
3761582
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
8
0
0
4026671
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
8
0
0
1550849
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
10
0
0
10929202
- 0/1 defined
zoom
C
20
H
20
N
4
O
6
S
2
476.526
12
8
0
0
10938722
- 0/1 defined
zoom
C
20
H
20
N
4
O
6
S
2
476.526
11
8
0
0
4037176
- 0/1 defined
zoom
C
20
H
20
N
4
O
6
S
2
476.526
11
8
0
0
21096624
zoom
C
20
H
20
N
4
O
6
S
2
476.526
11
9
0
0
10009891
- 0/1 defined
zoom
C
20
H
20
N
4
O
6
S
2
476.526
11
12
0
0
1
2
3
4
5
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