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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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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 1388 results
Search term:
MF = 'C_{21}H_{20}O_{5}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2006444
- 4/4 defined
zoom
C
21
H
20
O
5
352.3805
84
58
0
0
255853
- 4/4 defined
zoom
C
21
H
20
O
5
352.3805
36
27
0
99
2176003
- 0/1 defined
zoom
C
21
H
20
O
5
352.3805
33
26
0
0
421862
zoom
C
21
H
20
O
5
352.3805
31
29
0
0
1308961
zoom
C
21
H
20
O
5
352.3805
28
13
0
0
2162740
zoom
C
21
H
20
O
5
352.3805
28
15
0
0
2165613
zoom
C
21
H
20
O
5
352.3805
27
17
0
0
10211354
zoom
C
21
H
20
O
5
352.3805
27
25
0
0
2071284
- 0/1 defined
zoom
C
21
H
20
O
5
352.3805
27
18
0
0
855721
zoom
C
21
H
20
O
5
352.3805
27
16
0
0
2159518
- 0/1 defined
zoom
C
21
H
20
O
5
352.3805
26
18
0
0
2166035
- 0/1 defined
zoom
C
21
H
20
O
5
352.3805
26
14
0
0
2166074
- 0/1 defined
zoom
C
21
H
20
O
5
352.3805
26
18
0
0
2174257
zoom
C
21
H
20
O
5
352.3805
26
14
0
0
2211033
zoom
C
21
H
20
O
5
352.3805
25
15
0
0
998936
zoom
C
21
H
20
O
5
352.3805
25
13
0
0
1004487
zoom
C
21
H
20
O
5
352.3805
25
15
0
0
852737
zoom
C
21
H
20
O
5
352.3805
25
16
0
0
853398
zoom
C
21
H
20
O
5
352.3805
25
12
0
0
855500
zoom
C
21
H
20
O
5
352.3805
25
16
0
0
1
2
3
4
5
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