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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
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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-.
M+Cl
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Found 1515 results
Search term:
MF = 'C_{19}H_{20}N_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
7972254
zoom
C
19
H
20
N
4
304.3889
106
83
0
0
367267
zoom
C
19
H
20
N
4
304.3889
39
29
0
0
4228275
zoom
C
19
H
20
N
4
304.3889
37
32
0
0
400396
zoom
C
19
H
20
N
4
304.3889
36
25
0
0
399063
zoom
C
19
H
20
N
4
304.3889
34
24
0
0
593044
zoom
C
19
H
20
N
4
304.3889
29
16
0
0
722810
zoom
C
19
H
20
N
4
304.3889
27
19
0
0
592867
zoom
C
19
H
20
N
4
304.3889
27
14
0
0
592869
zoom
C
19
H
20
N
4
304.3889
27
15
0
0
620005
zoom
C
19
H
20
N
4
304.3889
25
17
0
0
811274
zoom
C
19
H
20
N
4
304.3889
25
17
0
0
2366219
zoom
C
19
H
20
N
4
304.3889
25
12
0
0
822737
zoom
C
19
H
20
N
4
304.3889
24
15
0
0
607444
zoom
C
19
H
20
N
4
304.3889
24
17
0
0
761662
zoom
C
19
H
20
N
4
304.3889
23
13
0
0
766747
zoom
C
19
H
20
N
4
304.3889
23
15
0
0
4912280
zoom
C
19
H
20
N
4
304.3889
23
12
0
0
629441
zoom
C
19
H
20
N
4
304.3889
23
16
0
0
633409
zoom
C
19
H
20
N
4
304.3889
23
12
0
0
651843
zoom
C
19
H
20
N
4
304.3889
23
14
0
0
1
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