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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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M+CH3CNH
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Found 696 results
Search term:
MF = 'C_{21}H_{18}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
89717
zoom
C
21
H
18
O
4
334.3652
95
65
0
6
9029448
zoom
C
21
H
18
O
4
334.3652
60
39
0
0
8839785
zoom
C
21
H
18
O
4
334.3652
53
38
0
1
5036283
zoom
C
21
H
18
O
4
334.3652
35
30
0
0
617164
zoom
C
21
H
18
O
4
334.3652
29
15
0
0
617137
zoom
C
21
H
18
O
4
334.3652
28
16
0
0
2161967
zoom
C
21
H
18
O
4
334.36522
28
16
0
0
2162785
zoom
C
21
H
18
O
4
334.36522
27
14
0
0
707106
zoom
C
21
H
18
O
4
334.3652
27
20
0
0
617179
zoom
C
21
H
18
O
4
334.3652
27
15
0
0
603864
zoom
C
21
H
18
O
4
334.3652
26
20
0
0
2068892
- 0/1 defined
zoom
C
21
H
18
O
4
334.36522
26
15
0
0
1699880
zoom
C
21
H
18
O
4
334.3652
25
17
0
0
4685159
zoom
C
21
H
18
O
4
334.3652
25
12
0
0
773648
zoom
C
21
H
18
O
4
334.3652
24
18
0
0
794307
zoom
C
21
H
18
O
4
334.3652
24
14
0
0
608720
zoom
C
21
H
18
O
4
334.3652
24
15
0
0
617140
zoom
C
21
H
18
O
4
334.3652
24
12
0
0
617187
zoom
C
21
H
18
O
4
334.3652
24
16
0
0
617253
zoom
C
21
H
18
O
4
334.3652
24
14
0
0
1
2
3
4
5
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