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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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-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 19 results
Search term:
MF = 'C_{21}H_{20}N_{3}'
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
3498
zoom
C
21
H
20
N
3
314.4031
36
1364
6982
770
744626
zoom
C
21
H
20
N
3
314.4031
6
2
0
0
2303975
zoom
C
21
H
20
N
3
314.4036
5
5
0
0
158964
zoom
C
21
H
20
N
3
314.4031
3
3
0
0
5321213
zoom
C
21
H
20
N
3
314.4036
3
2
0
0
30842009
zoom
C
21
H
20
N
3
314.4031
2
2
0
0
114768
zoom
C
21
H
20
N
3
314.4031
2
2
0
0
2729725
zoom
C
21
H
20
N
3
314.4036
2
1
0
0
3332560
- 0/1 defined
zoom
C
21
H
20
N
3
314.4036
1
1
0
0
3525855
- 0/1 defined
zoom
C
21
H
20
N
3
314.4036
1
1
0
0
5297827
- 1/1 defined
zoom
C
21
H
20
N
3
314.4036
1
1
0
0
5297828
- 1/1 defined
zoom
C
21
H
20
N
3
314.4036
1
1
0
0
543165
zoom
C
21
H
20
N
3
314.4031
1
1
0
0
35243149
zoom
C
21
H
20
N
3
314.4031
1
1
0
0
95648213
zoom
C
21
H
20
N
3
314.4031
1
1
0
0
129221610
zoom
C
21
H
20
N
3
314.4031
1
1
0
0
129222088
zoom
C
21
H
20
N
3
314.4031
1
1
0
0
5460595
zoom
C
21
H
20
N
3
314.4031
1
1
0
0
8777251
zoom
C
21
H
20
N
3
314.4031
1
1
0
0
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