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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 523 results
Search term:
MF = 'C_{20}H_{19}N_{7}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
142315
zoom
C
20
H
19
N
7
O
3
405.41
40
33
0
0
561270
zoom
C
20
H
19
N
7
O
3
405.41
17
9
0
0
17525499
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
16
11
0
0
1196803
zoom
C
20
H
19
N
7
O
3
405.41
14
8
0
0
2735670
- 0/2 defined
zoom
C
20
H
19
N
7
O
3
405.40996
14
10
0
0
7934359
zoom
C
20
H
19
N
7
O
3
405.41
14
12
0
0
12534618
zoom
C
20
H
19
N
7
O
3
405.41
13
8
0
0
12545244
zoom
C
20
H
19
N
7
O
3
405.41
13
9
0
0
7899877
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
13
11
0
0
20367908
zoom
C
20
H
19
N
7
O
3
405.41
13
10
0
0
22946016
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
13
12
0
0
26037251
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
12
13
0
0
26037687
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
12
12
0
0
26041117
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
12
12
0
0
26041253
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
12
11
0
0
26042830
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
12
12
0
0
32513185
- 1/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
12
6
0
0
21094780
zoom
C
20
H
19
N
7
O
3
405.41
12
10
0
0
22495597
- 0/1 defined
zoom
C
20
H
19
N
7
O
3
405.41
12
9
0
0
12531544
zoom
C
20
H
19
N
7
O
3
405.41
12
8
0
0
1
2
3
4
5
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