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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+
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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
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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 42 results
Search term:
MF = 'C_{21}H_{19}ClO_{2}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
87430
zoom
C
21
H
19
ClO
2
338.8274
137
107
0
0
66935
zoom
C
21
H
19
ClO
2
338.8274
59
40
0
0
5670791
zoom
C
21
H
19
ClO
2
338.8274
16
8
0
0
286535
zoom
C
21
H
19
ClO
2
338.8274
8
5
0
0
2316245
- 0/1 defined
zoom
C
21
H
19
ClO
2
338.82736
7
3
0
0
256891
zoom
C
21
H
19
ClO
2
338.8274
7
4
0
0
13537678
zoom
C
21
H
19
ClO
2
338.8274
5
4
0
0
17241253
- 0/1 defined
zoom
C
21
H
19
ClO
2
338.8274
4
4
0
0
26396187
- 1/1 defined
zoom
C
21
H
19
ClO
2
338.8274
4
3
0
0
216487
- 0/1 defined
zoom
C
21
H
19
ClO
2
338.8274
3
1
0
0
2738067
zoom
C
21
H
19
ClO
2
338.82736
2
1
0
0
8934811
zoom
C
21
H
19
ClO
2
338.8274
2
1
0
0
9079147
zoom
C
21
H
19
ClO
2
338.8274
2
1
0
0
29366154
- 0/1 defined
zoom
C
21
H
19
ClO
2
338.8274
2
1
0
0
31140379
zoom
C
21
H
19
ClO
2
338.8274
2
2
0
0
44753274
- 0/1 defined
zoom
C
21
H
19
ClO
2
338.8274
2
2
0
0
90621581
zoom
C
21
H
19
ClO
2
338.8274
2
2
0
0
114907480
zoom
C
21
H
19
ClO
2
338.8274
2
2
0
0
128707115
zoom
C
21
H
19
ClO
2
338.8274
2
2
0
0
24747630
- 0/1 defined
zoom
C
21
H
19
ClO
2
338.8274
2
1
0
0
1
2
3
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