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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+.
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M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
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+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 6550 results
Search term:
MF = 'C_{19}H_{20}O_{3}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
140851
- 1/1 defined
zoom
C
19
H
20
O
3
296.3603
107
161
167
24
434562
- 0/1 defined
zoom
C
19
H
20
O
3
296.3603
55
117
0
0
635541
zoom
C
19
H
20
O
3
296.3603
52
38
0
0
22913973
zoom
C
19
H
20
O
3
296.3603
37
29
0
0
21402725
zoom
C
19
H
20
O
3
296.3603
33
27
0
0
22912888
zoom
C
19
H
20
O
3
296.3603
33
28
0
0
21400446
zoom
C
19
H
20
O
3
296.3603
33
27
0
0
21397552
zoom
C
19
H
20
O
3
296.3603
33
28
0
0
21397555
zoom
C
19
H
20
O
3
296.3603
33
29
0
0
21397620
zoom
C
19
H
20
O
3
296.3603
33
28
0
0
21397686
zoom
C
19
H
20
O
3
296.3603
33
28
0
0
21397623
zoom
C
19
H
20
O
3
296.3603
32
27
0
0
21397689
zoom
C
19
H
20
O
3
296.3603
31
26
0
0
21400395
zoom
C
19
H
20
O
3
296.3603
31
26
0
0
21402722
zoom
C
19
H
20
O
3
296.3603
31
26
0
0
21400396
zoom
C
19
H
20
O
3
296.3603
30
25
0
0
21400447
zoom
C
19
H
20
O
3
296.3603
30
25
0
0
21400448
zoom
C
19
H
20
O
3
296.3603
30
25
0
0
21400342
zoom
C
19
H
20
O
3
296.3603
30
25
0
0
21400343
zoom
C
19
H
20
O
3
296.3603
30
25
0
0
1
2
3
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