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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
+/-
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 45 results
Search term:
MF = 'C_{19}H_{21}F_{4}N_{5}O_{3}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
28668366
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
61
54
0
0
71076488
- 2/2 defined
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
6
6
0
0
77468849
- 0/1 defined
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
3
3
0
0
58894841
- 0/1 defined
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
3
3
0
0
58950010
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
3
3
0
0
58950012
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
3
3
0
0
58953479
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
3
3
0
0
58954081
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
3
3
0
0
58977129
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
2
0
0
69781460
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
2
0
0
69955791
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
2
0
0
69955792
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
2
0
0
31854861
- 0/1 defined
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
1
0
0
32021470
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
1
0
0
34365804
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
2
0
0
3077706
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
2
1
0
0
81928609
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
1
1
0
0
81928893
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
1
1
0
0
81929362
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
1
1
0
0
81930917
zoom
C
19
H
21
F
4
N
5
O
3
443.3954
1
1
0
0
1
2
3
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