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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:
to
±
(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
+/-
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 109 results
Search term:
MF = 'C_{20}H_{38}N_{4}O_{4}'
1
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2981
zoom
C
20
H
38
N
4
O
4
398.5401
38
44
2
27
2360794
zoom
C
20
H
38
N
4
O
4
398.54012
14
11
0
0
349132
zoom
C
20
H
38
N
4
O
4
398.5401
8
6
0
0
29449837
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
8
8
0
0
30371413
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
7
5
0
0
30694221
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
6
7
0
0
22560403
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
6
3
0
0
23287504
zoom
C
20
H
38
N
4
O
4
398.5401
6
5
0
0
65246865
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
6
6
0
0
8176523
- 4/4 defined
zoom
C
20
H
38
N
4
O
4
398.5401
5
4
0
0
32057835
zoom
C
20
H
38
N
4
O
4
398.5401
5
3
0
0
3870876
zoom
C
20
H
38
N
4
O
4
398.5401
4
3
0
0
54521805
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
4
5
0
0
54551644
- 0/2 defined
zoom
C
20
H
38
N
4
O
4
398.5401
4
5
0
0
57874865
- 0/2 defined
zoom
C
20
H
38
N
4
O
4
398.5401
4
5
0
0
57876944
- 0/2 defined
zoom
C
20
H
38
N
4
O
4
398.5401
4
5
0
0
57883669
- 0/2 defined
zoom
C
20
H
38
N
4
O
4
398.5401
4
5
0
0
57888452
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
4
5
0
0
28662056
- 3/3 defined
zoom
C
20
H
38
N
4
O
4
398.5401
3
3
0
0
33403900
- 0/1 defined
zoom
C
20
H
38
N
4
O
4
398.5401
3
3
0
0
1
2
3
4
5
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