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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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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
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+e
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M+CH3CNH
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M+.
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M+Na
M+NH4
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M-.
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Found 8056 results
Search term:
MF = 'C_{19}H_{21}NO_{5}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
5381782
- 2/2 defined
zoom
C
19
H
21
NO
5
343.3737
66
39
0
0
5381784
- 2/2 defined
zoom
C
19
H
21
NO
5
343.3737
63
52
0
0
9998736
- 1/1 defined
zoom
C
19
H
21
NO
5
343.3737
49
36
0
0
4509070
zoom
C
19
H
21
NO
5
343.3737
46
45
0
0
300683
- 0/1 defined
zoom
C
19
H
21
NO
5
343.3737
42
32
0
0
399112
- 1/1 defined
zoom
C
19
H
21
NO
5
343.3737
42
40
0
0
1663072
zoom
C
19
H
21
NO
5
343.3737
40
26
0
0
17937
- 0/1 defined
zoom
C
19
H
21
NO
5
343.3737
32
67
0
0
605500
zoom
C
19
H
21
NO
5
343.3737
31
24
0
0
4211538
- 0/2 defined
zoom
C
19
H
21
NO
5
343.37374
31
22
0
0
536151
zoom
C
19
H
21
NO
5
343.3737
30
21
0
0
1402983
zoom
C
19
H
21
NO
5
343.3737
29
17
0
0
637562
zoom
C
19
H
21
NO
5
343.3737
28
17
0
0
679720
zoom
C
19
H
21
NO
5
343.3737
28
22
0
0
1269215
zoom
C
19
H
21
NO
5
343.3737
28
15
0
0
2165787
zoom
C
19
H
21
NO
5
343.37374
28
17
0
0
2223272
- 0/2 defined
zoom
C
19
H
21
NO
5
343.37374
28
17
0
0
2373156
zoom
C
19
H
21
NO
5
343.37374
27
17
0
0
4133913
zoom
C
19
H
21
NO
5
343.37374
27
16
0
0
1367671
zoom
C
19
H
21
NO
5
343.3737
27
15
0
0
1
2
3
4
5
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