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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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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-H
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+e
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M+CH3CNH
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Found 2059 results
Search term:
MF = 'C_{21}H_{23}NO_{5}S'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
10022007
- 1/1 defined
zoom
C
21
H
23
NO
5
S
401.476
69
37
0
0
75853
- 1/1 defined
zoom
C
21
H
23
NO
5
S
401.476
39
45
0
0
59368
- 2/2 defined
zoom
C
21
H
23
NO
5
S
401.476
30
35
1
0
2067062
- 0/2 defined
zoom
C
21
H
23
NO
5
S
401.47602
26
16
0
0
50310
- 1/1 defined
zoom
C
21
H
23
NO
5
S
401.476
25
18
0
0
1143270
zoom
C
21
H
23
NO
5
S
401.476
25
17
0
0
873263
zoom
C
21
H
23
NO
5
S
401.476
25
15
0
0
958778
zoom
C
21
H
23
NO
5
S
401.476
25
16
0
0
1000649
zoom
C
21
H
23
NO
5
S
401.476
23
12
0
0
62026
- 0/1 defined
zoom
C
21
H
23
NO
5
S
401.476
23
25
0
0
4498364
zoom
C
21
H
23
NO
5
S
401.476
23
16
0
0
5169620
zoom
C
21
H
23
NO
5
S
401.476
23
19
0
0
385099
- 0/1 defined
zoom
C
21
H
23
NO
5
S
401.476
22
20
0
0
858126
zoom
C
21
H
23
NO
5
S
401.476
22
14
0
0
1687085
zoom
C
21
H
23
NO
5
S
401.476
22
20
0
0
3293206
zoom
C
21
H
23
NO
5
S
401.476
22
15
0
0
2138290
- 0/2 defined
zoom
C
21
H
23
NO
5
S
401.47602
21
18
0
0
1855368
zoom
C
21
H
23
NO
5
S
401.476
21
13
0
0
1251054
zoom
C
21
H
23
NO
5
S
401.476
21
14
0
0
1027765
zoom
C
21
H
23
NO
5
S
401.476
21
18
0
0
1
2
3
4
5
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