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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+.
M+K
M+Na
M+NH4
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M-.
M+Cl
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Found 408 results
Search term:
MF = 'C_{20}H_{33}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
187578
zoom
C
20
H
33
NO
4
351.4803
21
18
0
0
485338
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
18
14
0
0
1020898
zoom
C
20
H
33
NO
4
351.4803
18
12
0
0
2299938
- 0/1 defined
zoom
C
20
H
33
NO
4
351.48032
14
18
0
0
4748270
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
14
10
0
0
32055546
- 1/1 defined
zoom
C
20
H
33
NO
4
351.4803
13
14
0
0
113958
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
12
9
0
0
17463607
- 3/5 defined
zoom
C
20
H
33
NO
4
351.4803
12
9
0
0
10991252
- 0/2 defined
zoom
C
20
H
33
NO
4
351.4803
9
8
0
0
11173549
- 0/2 defined
zoom
C
20
H
33
NO
4
351.4803
8
6
0
0
22479946
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
8
6
0
0
22867662
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
8
7
0
0
23059177
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
8
7
0
0
30243366
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
8
6
0
0
30286530
zoom
C
20
H
33
NO
4
351.4803
7
6
0
0
22624363
- 0/2 defined
zoom
C
20
H
33
NO
4
351.4803
7
6
0
0
22624618
- 0/2 defined
zoom
C
20
H
33
NO
4
351.4803
7
6
0
0
37174
- 0/1 defined
zoom
C
20
H
33
NO
4
351.4803
7
8
0
0
2738752
- 0/1 defined
zoom
C
20
H
33
NO
4
351.48032
7
6
0
0
3347403
- 0/1 defined
zoom
C
20
H
33
NO
4
351.48032
7
6
0
0
1
2
3
4
5
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