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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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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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Found 6958 results
Search term:
MF = 'C_{20}H_{25}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
5225
- 0/1 defined
zoom
C
20
H
25
NO
4
343.4168
74
80
5
24
133238
- 0/2 defined
zoom
C
20
H
25
NO
4
343.4168
63
149
111
3
600014
- 1/1 defined
zoom
C
20
H
25
NO
4
343.4168
59
34
0
0
80700
- 0/1 defined
zoom
C
20
H
25
NO
4
343.4168
46
38
0
0
18826005
- 2/2 defined
zoom
C
20
H
25
NO
4
343.4168
44
46
0
0
83710
- 0/1 defined
zoom
C
20
H
25
NO
4
343.4168
42
62
1
448
333870
zoom
C
20
H
25
NO
4
343.4168
40
27
0
0
554785
- 1/1 defined
zoom
C
20
H
25
NO
4
343.4168
37
28
0
0
1311664
zoom
C
20
H
25
NO
4
343.4168
37
23
0
0
639033
zoom
C
20
H
25
NO
4
343.4168
36
27
0
0
4588965
- 5/5 defined
zoom
C
20
H
25
NO
4
343.4168
32
43
74
0
780263
zoom
C
20
H
25
NO
4
343.4168
30
23
0
0
1152009
zoom
C
20
H
25
NO
4
343.4168
30
16
0
0
582809
zoom
C
20
H
25
NO
4
343.4168
30
18
0
0
89759
zoom
C
20
H
25
NO
4
343.4168
29
21
0
0
1381226
zoom
C
20
H
25
NO
4
343.4168
29
19
0
0
765369
zoom
C
20
H
25
NO
4
343.4168
29
19
0
0
765621
zoom
C
20
H
25
NO
4
343.4168
29
17
0
0
625933
zoom
C
20
H
25
NO
4
343.4168
29
17
0
0
619454
zoom
C
20
H
25
NO
4
343.4168
28
19
0
0
1
2
3
4
5
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