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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+.
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M+Na
M+NH4
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M-.
M+Cl
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Found 76 results
Search term:
MF = 'C_{21}H_{20}Cl_{2}O_{3}'
1
2
3
4
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
36845
- 0/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
111
1239
4484
6711
39931
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
44
75
56
7
36968
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
39
82
54
6
36702
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
33
42
56
6
55923
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
16
16
54
6
1800637
zoom
C
21
H
20
Cl
2
O
3
391.2877
12
7
0
0
23936987
- 1/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
5
5
0
0
30846592
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
4
4
0
0
52564081
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
4
5
0
0
30846595
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
3
3
0
0
30808982
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
3
3
0
0
30809225
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
3
3
0
0
30846591
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
3
3
0
0
19961261
- 1/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
3
3
0
0
3337923
- 0/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
3
2
0
0
6034528
zoom
C
21
H
20
Cl
2
O
3
391.2877
2
1
0
0
6035040
zoom
C
21
H
20
Cl
2
O
3
391.2877
2
1
0
0
6171889
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
2
1
0
0
6171891
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
2
1
0
0
29411312
- 2/2 defined
zoom
C
21
H
20
Cl
2
O
3
391.2877
2
2
0
0
1
2
3
4
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