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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 12169 results
Search term:
MF = 'C_{21}H_{21}N_{3}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
90669
zoom
C
21
H
21
N
3
O
2
347.4103
82
61
0
0
99756
zoom
C
21
H
21
N
3
O
2
347.41034
43
39
0
0
134338
- 1/1 defined
zoom
C
21
H
21
N
3
O
2
347.4103
38
55
0
0
740773
zoom
C
21
H
21
N
3
O
2
347.4103
29
17
0
0
3351010
zoom
C
21
H
21
N
3
O
2
347.41034
29
23
0
0
4098577
zoom
C
21
H
21
N
3
O
2
347.41034
29
21
0
0
21960401
- 0/1 defined
zoom
C
21
H
21
N
3
O
2
347.4103
29
34
0
0
2770931
- 0/1 defined
zoom
C
21
H
21
N
3
O
2
347.41034
28
17
0
0
3019656
- 0/1 defined
zoom
C
21
H
21
N
3
O
2
347.41034
27
20
0
0
4100746
zoom
C
21
H
21
N
3
O
2
347.41034
27
18
0
0
573618
zoom
C
21
H
21
N
3
O
2
347.4103
27
15
0
0
1439985
zoom
C
21
H
21
N
3
O
2
347.4103
26
16
0
0
4205601
- 0/1 defined
zoom
C
21
H
21
N
3
O
2
347.41034
26
30
0
0
624117
zoom
C
21
H
21
N
3
O
2
347.4103
24
16
0
0
1618323
zoom
C
21
H
21
N
3
O
2
347.4103
24
17
0
0
573720
zoom
C
21
H
21
N
3
O
2
347.4103
24
15
0
0
624096
zoom
C
21
H
21
N
3
O
2
347.4103
23
18
0
0
846802
zoom
C
21
H
21
N
3
O
2
347.4103
23
16
0
0
2956627
- 0/1 defined
zoom
C
21
H
21
N
3
O
2
347.41034
23
14
0
0
3384592
- 0/1 defined
zoom
C
21
H
21
N
3
O
2
347.41034
23
21
0
0
1
2
3
4
5
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