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ChemSpider
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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+.
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M+Na
M+NH4
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Found 43 results
Search term:
MF = 'C_{20}H_{19}Cl_{2}N_{3}O_{4}S_{2}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
956842
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
28
22
0
0
1813211
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
17
13
0
0
12236502
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
15
11
0
0
4347986
- 0/2 defined
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.41856
13
10
0
0
1852046
- 1/1 defined
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
12
8
0
0
20197496
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
10
7
0
0
1875640
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
6
4
0
0
3761744
- 0/2 defined
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.41856
5
3
0
0
4350584
- 0/2 defined
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.41856
4
2
0
0
4406076
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.41856
3
2
0
0
11942065
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
3
3
0
0
3352062
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.41856
3
1
0
0
3448101
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.41856
3
2
0
0
3501260
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.41856
3
1
0
0
3835190
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
3
1
0
0
20750096
- 0/1 defined
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
3
1
0
0
20750099
- 0/1 defined
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
3
1
0
0
20866159
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
3
1
0
0
20866350
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
3
1
0
0
20866352
zoom
C
20
H
19
Cl
2
N
3
O
4
S
2
500.4186
3
1
0
0
1
2
3
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