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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
min/max
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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-.
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Found 41 results
Search term:
MF = 'C_{18}H_{21}N_{2}O_{5}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1595897
zoom
C
18
H
21
N
2
O
5
345.3692
6
1
0
0
8935184
- 0/1 defined
zoom
C
18
H
21
N
2
O
5
345.3692
2
1
0
0
1544310
- 1/1 defined
zoom
C
18
H
21
N
2
O
5
345.3692
2
2
0
0
2843678
zoom
C
18
H
21
N
2
O
5
345.36974
2
1
0
0
3554898
zoom
C
18
H
21
N
2
O
5
345.36974
2
1
0
0
5297417
- 1/1 defined
zoom
C
18
H
21
N
2
O
5
345.36974
1
1
0
0
5297419
- 1/1 defined
zoom
C
18
H
21
N
2
O
5
345.36974
1
1
0
0
5297426
- 1/1 defined
zoom
C
18
H
21
N
2
O
5
345.36974
1
1
0
0
5430046
- 1/1 defined
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
5552693
- 1/1 defined
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
5552695
- 1/1 defined
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
5582209
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
5640221
- 2/2 defined
zoom
C
18
H
21
N
2
O
5
345.3703
1
1
0
0
5640222
- 2/2 defined
zoom
C
18
H
21
N
2
O
5
345.3703
1
1
0
0
5640223
- 2/2 defined
zoom
C
18
H
21
N
2
O
5
345.3703
1
1
0
0
5640224
- 2/2 defined
zoom
C
18
H
21
N
2
O
5
345.3703
1
1
0
0
7392491
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
10058903
- 4/4 defined
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
13084559
- 0/1 defined
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
2648811
zoom
C
18
H
21
N
2
O
5
345.3692
1
1
0
0
1
2
3
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