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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
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 1807 results
Search term:
MF = 'C_{21}H_{31}NO_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
62090
- 0/1 defined
zoom
C
21
H
31
NO
3
345.4757
35
36
0
0
21399044
zoom
C
21
H
31
NO
3
345.4757
34
27
0
0
21399099
zoom
C
21
H
31
NO
3
345.4757
34
29
0
0
21400007
zoom
C
21
H
31
NO
3
345.4757
34
28
0
0
21399949
zoom
C
21
H
31
NO
3
345.4757
33
26
0
0
21399496
zoom
C
21
H
31
NO
3
345.4757
33
27
0
0
21399554
zoom
C
21
H
31
NO
3
345.4757
32
27
0
0
113790
- 7/7 defined
zoom
C
21
H
31
NO
3
345.4757
31
27
0
0
626286
zoom
C
21
H
31
NO
3
345.4757
23
12
0
0
601781
- 0/2 defined
zoom
C
21
H
31
NO
3
345.4757
22
15
0
0
693480
- 0/2 defined
zoom
C
21
H
31
NO
3
345.4757
21
13
0
0
2935059
- 0/1 defined
zoom
C
21
H
31
NO
3
345.47574
21
12
0
0
692986
zoom
C
21
H
31
NO
3
345.4757
20
13
0
0
508661
- 0/4 defined
zoom
C
21
H
31
NO
3
345.4757
20
16
0
0
3193878
zoom
C
21
H
31
NO
3
345.4757
17
11
0
0
2399350
- 0/1 defined
zoom
C
21
H
31
NO
3
345.47574
17
14
0
0
4541181
zoom
C
21
H
31
NO
3
345.4757
16
10
0
0
3046949
- 0/2 defined
zoom
C
21
H
31
NO
3
345.47574
16
9
0
0
2077101
- 0/1 defined
zoom
C
21
H
31
NO
3
345.47574
16
8
0
0
830364
zoom
C
21
H
31
NO
3
345.4757
15
11
0
0
1
2
3
4
5
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