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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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Average Mass:
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M+CH3CNH
M+CH3OH2
M+.
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M+Na
M+NH4
M+H
M-H
M+acetate
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+e
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M+CH3CNH
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Found 1927 results
Search term:
MF = 'C_{20}H_{17}NO_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2800277
zoom
C
20
H
17
NO
3
319.35388
51
40
0
0
12624691
zoom
C
20
H
17
NO
3
319.3539
33
23
0
0
746080
- 1/1 defined
zoom
C
20
H
17
NO
3
319.3539
32
20
0
0
747112
zoom
C
20
H
17
NO
3
319.3539
32
19
0
0
4127720
zoom
C
20
H
17
NO
3
319.35388
31
21
0
0
765380
zoom
C
20
H
17
NO
3
319.3539
31
21
0
0
652230
zoom
C
20
H
17
NO
3
319.3539
30
18
0
0
727248
zoom
C
20
H
17
NO
3
319.3539
30
17
0
0
1716172
zoom
C
20
H
17
NO
3
319.3539
30
19
0
0
508682
zoom
C
20
H
17
NO
3
319.3539
28
20
0
0
531600
zoom
C
20
H
17
NO
3
319.3539
28
20
0
0
765762
zoom
C
20
H
17
NO
3
319.3539
27
18
0
0
769012
zoom
C
20
H
17
NO
3
319.3539
27
17
0
0
777405
zoom
C
20
H
17
NO
3
319.3539
27
18
0
0
2195193
- 0/1 defined
zoom
C
20
H
17
NO
3
319.35388
27
19
0
0
762563
zoom
C
20
H
17
NO
3
319.3539
27
18
0
0
1223374
zoom
C
20
H
17
NO
3
319.3539
27
25
0
0
2931705
zoom
C
20
H
17
NO
3
319.35388
26
17
0
0
795406
zoom
C
20
H
17
NO
3
319.3539
26
13
0
0
32741547
zoom
C
20
H
17
NO
3
319.3539
26
30
0
0
1
2
3
4
5
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