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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
min/max
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Monoisotopic Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-.
M+Cl
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Found 1830 results
Search term:
MF = 'C_{21}H_{31}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
24605604
zoom
C
21
H
31
NO
4
361.4751
51
35
0
0
2042773
- 2/2 defined
zoom
C
21
H
31
NO
4
361.47514
48
30
0
0
21398988
zoom
C
21
H
31
NO
4
361.4751
33
27
0
0
21399894
zoom
C
21
H
31
NO
4
361.4751
33
28
0
0
2042643
- 1/1 defined
zoom
C
21
H
31
NO
4
361.47514
29
17
0
0
5486211
- 1/1 defined
zoom
C
21
H
31
NO
4
361.4751
28
17
0
0
55245
- 0/1 defined
zoom
C
21
H
31
NO
4
361.4751
28
35
0
0
874978
zoom
C
21
H
31
NO
4
361.4751
27
19
0
0
21399440
zoom
C
21
H
31
NO
4
361.4751
23
21
0
0
2768885
- 0/2 defined
zoom
C
21
H
31
NO
4
361.47514
19
11
0
0
575432
- 0/2 defined
zoom
C
21
H
31
NO
4
361.4751
17
13
0
0
10047529
- 6/6 defined
zoom
C
21
H
31
NO
4
361.4751
17
16
0
0
4649168
- 0/1 defined
zoom
C
21
H
31
NO
4
361.4751
15
10
0
0
21681292
zoom
C
21
H
31
NO
4
361.4751
15
13
0
0
3131738
- 0/2 defined
zoom
C
21
H
31
NO
4
361.4751
15
10
0
0
2233592
- 0/1 defined
zoom
C
21
H
31
NO
4
361.47514
15
15
0
0
3856670
- 0/2 defined
zoom
C
21
H
31
NO
4
361.4751
14
10
0
0
1461939
zoom
C
21
H
31
NO
4
361.4751
14
13
0
0
17319229
zoom
C
21
H
31
NO
4
361.4751
14
12
0
0
44209765
zoom
C
21
H
31
NO
4
361.4751
14
11
0
0
1
2
3
4
5
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