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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)
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(example: 123 ± 1)
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M+CH3CNH
M+CH3OH2
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M+Na
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M-H
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+e
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M+CH3CNH
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Found 627 results
Search term:
MF = 'C_{21}H_{20}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
488104
zoom
C
21
H
20
O
3
320.3817
106
59
0
4
8743097
zoom
C
21
H
20
O
3
320.3817
49
36
0
0
66934
zoom
C
21
H
20
O
3
320.3817
42
31
0
1
194473
- 0/2 defined
zoom
C
21
H
20
O
3
320.3817
38
25
0
0
545086
zoom
C
21
H
20
O
3
320.3817
36
35
0
0
21401684
zoom
C
21
H
20
O
3
320.3817
34
30
0
0
21402147
zoom
C
21
H
20
O
3
320.3817
33
27
0
0
21402719
zoom
C
21
H
20
O
3
320.3817
32
28
0
0
2073760
zoom
C
21
H
20
O
3
320.3817
32
23
0
0
1553665
zoom
C
21
H
20
O
3
320.3817
31
19
0
0
21402764
zoom
C
21
H
20
O
3
320.3817
30
26
0
0
1267964
zoom
C
21
H
20
O
3
320.3817
29
15
0
0
2162304
zoom
C
21
H
20
O
3
320.3817
28
17
0
0
3415733
zoom
C
21
H
20
O
3
320.3817
28
15
0
0
2176252
zoom
C
21
H
20
O
3
320.3817
27
15
0
0
746483
zoom
C
21
H
20
O
3
320.3817
25
15
0
0
1387982
zoom
C
21
H
20
O
3
320.3817
25
15
0
0
1553664
zoom
C
21
H
20
O
3
320.3817
25
14
0
0
1366109
zoom
C
21
H
20
O
3
320.3817
24
17
0
0
592736
zoom
C
21
H
20
O
3
320.3817
24
15
0
0
1
2
3
4
5
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