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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
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+e
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Monoisotopic Mass:
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M+CH3CNH
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M+.
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M+Na
M+NH4
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M-.
M+Cl
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Found 1138 results
Search term:
MF = 'C_{23}H_{21}NO_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
9317565
- 1/2 defined
zoom
C
23
H
21
NO
2
343.4183
75
56
0
2
257418
- 0/2 defined
zoom
C
23
H
21
NO
2
343.4183
68
64
0
2
9101201
- 1/2 defined
zoom
C
23
H
21
NO
2
343.4183
52
36
0
0
2080220
zoom
C
23
H
21
NO
2
343.41834
44
31
0
0
658554
zoom
C
23
H
21
NO
2
343.4183
31
19
0
0
513344
- 0/2 defined
zoom
C
23
H
21
NO
2
343.4183
30
23
0
0
483015
zoom
C
23
H
21
NO
2
343.4183
29
18
0
0
626712
zoom
C
23
H
21
NO
2
343.4183
27
17
0
0
775774
zoom
C
23
H
21
NO
2
343.4183
26
18
0
0
649540
zoom
C
23
H
21
NO
2
343.4183
25
16
0
0
714760
zoom
C
23
H
21
NO
2
343.4183
25
14
0
0
596553
zoom
C
23
H
21
NO
2
343.4183
25
17
0
0
650836
zoom
C
23
H
21
NO
2
343.4183
24
14
0
0
2068558
zoom
C
23
H
21
NO
2
343.41834
24
16
0
0
3144989
zoom
C
23
H
21
NO
2
343.4183
23
13
0
0
19651803
zoom
C
23
H
21
NO
2
343.4183
23
14
0
0
733377
zoom
C
23
H
21
NO
2
343.4183
23
15
0
0
777025
zoom
C
23
H
21
NO
2
343.4183
22
16
0
0
2185631
zoom
C
23
H
21
NO
2
343.41834
22
14
0
0
2254984
zoom
C
23
H
21
NO
2
343.41834
22
15
0
0
1
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