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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+
+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-.
M+Cl
-e
+e
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M+CH3CNH
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M+Na
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Found 3477 results
Search term:
MF = 'C_{21}H_{23}NO_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
148738
zoom
C
21
H
23
NO
2
321.4128
73
59
0
1
2137955
- 0/2 defined
zoom
C
21
H
23
NO
2
321.41282
35
26
0
0
716078
zoom
C
21
H
23
NO
2
321.4128
31
21
0
0
540529
zoom
C
21
H
23
NO
2
321.4128
29
20
0
0
2228630
- 0/1 defined
zoom
C
21
H
23
NO
2
321.41282
29
24
0
0
4947262
zoom
C
21
H
23
NO
2
321.4128
29
27
0
0
24769418
zoom
C
21
H
23
NO
2
321.4128
28
50
0
20
2123391
- 0/1 defined
zoom
C
21
H
23
NO
2
321.41282
28
17
0
0
1468901
zoom
C
21
H
23
NO
2
321.4128
27
17
0
0
626718
zoom
C
21
H
23
NO
2
321.4128
27
19
0
0
2140874
- 0/2 defined
zoom
C
21
H
23
NO
2
321.41282
27
19
0
0
610221
zoom
C
21
H
23
NO
2
321.4128
26
15
0
0
723015
zoom
C
21
H
23
NO
2
321.4128
25
14
0
0
739598
zoom
C
21
H
23
NO
2
321.4128
25
17
0
0
1302893
zoom
C
21
H
23
NO
2
321.4128
25
15
0
0
25537
zoom
C
21
H
23
NO
2
321.4128
24
26
0
0
369927
- 0/2 defined
zoom
C
21
H
23
NO
2
321.4128
23
22
1
5
6337778
zoom
C
21
H
23
NO
2
321.4128
23
17
0
0
4465524
- 0/3 defined
zoom
C
21
H
23
NO
2
321.41282
22
17
0
0
4869966
- 0/1 defined
zoom
C
21
H
23
NO
2
321.4128
22
19
0
0
1
2
3
4
5
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