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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+.
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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 13771 results
Search term:
MF = 'C_{20}H_{23}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4514524
- 4/4 defined
zoom
C
20
H
23
NO
4
341.4009
93
147
4756
42
5382101
- 1/1 defined
zoom
C
20
H
23
NO
4
341.4009
91
50
0
0
2042217
- 1/1 defined
zoom
C
20
H
23
NO
4
341.40092
91
51
0
0
2042519
- 1/1 defined
zoom
C
20
H
23
NO
4
341.40092
89
55
0
0
5382104
- 1/1 defined
zoom
C
20
H
23
NO
4
341.4009
87
59
0
0
9737
- 1/1 defined
zoom
C
20
H
23
NO
4
341.4009
85
75
0
4
109085
zoom
C
20
H
23
NO
4
341.4009
78
92
0
0
389213
- 1/1 defined
zoom
C
20
H
23
NO
4
341.4009
64
54
0
0
2728313
- 0/1 defined
zoom
C
20
H
23
NO
4
341.40092
58
63
0
0
20818
zoom
C
20
H
23
NO
4
341.4009
56
75
0
0
9747
- 1/1 defined
zoom
C
20
H
23
NO
4
341.4009
47
47
0
2
161356
- 0/1 defined
zoom
C
20
H
23
NO
4
341.4009
47
58
7
25
15713
- 1/1 defined
zoom
C
20
H
23
NO
4
341.4009
44
43
0
0
2036756
- 0/1 defined
zoom
C
20
H
23
NO
4
341.40092
44
36
0
0
3786312
zoom
C
20
H
23
NO
4
341.40092
41
32
0
0
3814618
- 0/1 defined
zoom
C
20
H
23
NO
4
341.4009
39
37
0
0
2374569
- 0/1 defined
zoom
C
20
H
23
NO
4
341.40092
37
30
0
0
141990
- 1/1 defined
zoom
C
20
H
23
NO
4
341.4009
37
30
0
0
101202
zoom
C
20
H
23
NO
4
341.4009
36
26
0
0
28537212
- 2/2 defined
zoom
C
20
H
23
NO
4
341.4009
36
24
0
0
1
2
3
4
5
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