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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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+H+
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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
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+e
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Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
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M-.
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Found 111 results
Search term:
MF = 'C_{21}H_{14}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
222455
zoom
C
21
H
14
O
3
314.3341
32
22
0
0
701570
zoom
C
21
H
14
O
3
314.3341
25
18
0
0
615766
zoom
C
21
H
14
O
3
314.3341
23
13
0
0
819899
zoom
C
21
H
14
O
3
314.3341
22
8
0
0
17451
zoom
C
21
H
14
O
3
314.3341
20
18
0
0
4537979
zoom
C
21
H
14
O
3
314.3341
19
14
0
3
500345
zoom
C
21
H
14
O
3
314.3341
16
12
0
0
732148
zoom
C
21
H
14
O
3
314.3341
15
10
0
0
2130083
zoom
C
21
H
14
O
3
314.33406
14
11
0
0
7468084
zoom
C
21
H
14
O
3
314.3341
13
8
0
0
34564729
zoom
C
21
H
14
O
3
314.3341
13
10
0
0
3289319
zoom
C
21
H
14
O
3
314.3341
12
9
0
0
12238308
zoom
C
21
H
14
O
3
314.3341
11
8
0
0
15256626
zoom
C
21
H
14
O
3
314.3341
11
11
0
0
309356
zoom
C
21
H
14
O
3
314.3341
11
11
0
0
2939879
zoom
C
21
H
14
O
3
314.33406
10
5
0
0
4192857
zoom
C
21
H
14
O
3
314.33406
10
8
0
0
8790519
zoom
C
21
H
14
O
3
314.3341
9
8
0
0
9089276
zoom
C
21
H
14
O
3
314.3341
9
8
0
0
81407720
zoom
C
21
H
14
O
3
314.3341
9
7
0
0
1
2
3
4
5
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