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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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±
-2H+
-H+
+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
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
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Found 111 results
Search term:
MF = 'C_{18}H_{19}N_{2}O_{3}'
1
2
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5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
372973
zoom
C
18
H
19
N
2
O
3
311.3545
4
3
0
0
2592794
zoom
C
18
H
19
N
2
O
3
311.3545
3
1
0
0
3373395
zoom
C
18
H
19
N
2
O
3
311.35506
3
1
0
0
3373397
zoom
C
18
H
19
N
2
O
3
311.35506
3
1
0
0
4254672
zoom
C
18
H
19
N
2
O
3
311.35506
3
1
0
0
4889742
- 0/1 defined
zoom
C
18
H
19
N
2
O
3
311.3545
2
2
0
0
4890788
- 0/2 defined
zoom
C
18
H
19
N
2
O
3
311.3545
2
2
0
0
5296389
- 1/1 defined
zoom
C
18
H
19
N
2
O
3
311.35506
2
3
0
0
5296390
- 1/1 defined
zoom
C
18
H
19
N
2
O
3
311.35506
2
3
0
0
7122717
- 1/1 defined
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
7150851
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
7152773
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
7156287
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
7168957
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
7169084
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
8015392
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
8676043
zoom
C
18
H
19
N
2
O
3
311.3545
2
2
0
0
9045892
- 0/1 defined
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
4233905
- 0/1 defined
zoom
C
18
H
19
N
2
O
3
311.35506
2
1
0
0
2565254
zoom
C
18
H
19
N
2
O
3
311.3545
2
1
0
0
1
2
3
4
5
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