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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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+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+.
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M+Na
M+NH4
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M-.
M+Cl
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Found 55 results
Search term:
MF = 'C_{20}H_{28}N_{4}O_{9}S'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2301512
- 1/1 defined
zoom
C
20
H
28
N
4
O
9
S
500.52272
15
17
0
0
3672986
- 0/1 defined
zoom
C
20
H
28
N
4
O
9
S
500.52272
7
5
0
0
3449625
- 0/2 defined
zoom
C
20
H
28
N
4
O
9
S
500.52272
3
1
0
0
16617909
- 0/4 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
1
16617966
- 0/4 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
1
16698073
- 0/4 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
1
16705004
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
3
16705270
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
16705384
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
16705669
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
2
16710967
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
16710986
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
16720976
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
16721203
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
16721354
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
16721393
- 0/4 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
2
16726125
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
1
16726144
- 0/5 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
2
109799962
- 0/2 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
121155921
- 0/1 defined
zoom
C
20
H
28
N
4
O
9
S
500.5227
1
1
0
0
1
2
3
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