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ChemSpider
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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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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
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M-H
M+acetate
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+e
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M+CH3CNH
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Found 9687 results
Search term:
MF = 'C_{20}H_{19}N_{3}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
85175
zoom
C
20
H
19
N
3
O
2
333.3838
109
97
0
0
2019364
- 0/1 defined
zoom
C
20
H
19
N
3
O
2
333.38376
43
31
0
0
586268
zoom
C
20
H
19
N
3
O
2
333.3838
38
31
0
0
2316363
zoom
C
20
H
19
N
3
O
2
333.38376
34
28
0
0
139179
- 0/2 defined
zoom
C
20
H
19
N
3
O
2
333.3838
32
27
0
0
4230913
- 0/1 defined
zoom
C
20
H
19
N
3
O
2
333.38376
31
24
0
0
12556534
zoom
C
20
H
19
N
3
O
2
333.3838
31
23
0
0
4757975
zoom
C
20
H
19
N
3
O
2
333.3838
30
25
0
0
2387707
zoom
C
20
H
19
N
3
O
2
333.38376
30
23
0
0
605446
zoom
C
20
H
19
N
3
O
2
333.3838
29
18
0
0
659438
zoom
C
20
H
19
N
3
O
2
333.3838
29
24
0
0
588319
zoom
C
20
H
19
N
3
O
2
333.3838
28
18
0
0
3018555
zoom
C
20
H
19
N
3
O
2
333.38376
28
14
0
0
10664652
zoom
C
20
H
19
N
3
O
2
333.3838
27
22
0
0
1191027
zoom
C
20
H
19
N
3
O
2
333.3838
27
19
0
0
697910
zoom
C
20
H
19
N
3
O
2
333.3838
26
14
0
0
579327
- 0/1 defined
zoom
C
20
H
19
N
3
O
2
333.3838
26
20
0
0
5263703
zoom
C
20
H
19
N
3
O
2
333.3838
26
21
0
0
1606061
zoom
C
20
H
19
N
3
O
2
333.3838
25
17
0
0
539426
- 0/1 defined
zoom
C
20
H
19
N
3
O
2
333.3838
25
18
0
0
1
2
3
4
5
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