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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-.
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+e
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M+CH3CNH
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M+.
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M+Na
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M-.
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Found 14344 results
Search term:
MF = 'C_{19}H_{21}NO_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
5383277
- 2/2 defined
zoom
C
19
H
21
NO
4
327.3743
85
49
0
0
9748
- 1/1 defined
zoom
C
19
H
21
NO
4
327.3743
81
114
0
0
4447644
- 4/4 defined
zoom
C
19
H
21
NO
4
327.3743
76
141
19057
90
5293188
- 1/1 defined
zoom
C
19
H
21
NO
4
327.3743
65
52
0
0
217564
- 0/1 defined
zoom
C
19
H
21
NO
4
327.3743
63
108
100
61
11639450
zoom
C
19
H
21
NO
4
327.3743
58
38
0
0
547037
zoom
C
19
H
21
NO
4
327.3743
57
48
0
0
388725
- 1/1 defined
zoom
C
19
H
21
NO
4
327.3743
53
75
0
0
9591054
zoom
C
19
H
21
NO
4
327.3743
53
44
0
0
5383278
- 2/2 defined
zoom
C
19
H
21
NO
4
327.3743
51
35
0
0
5100
- 0/1 defined
zoom
C
19
H
21
NO
4
327.3743
51
82
0
0
21111941
- 0/1 defined
zoom
C
19
H
21
NO
4
327.3743
48
23
0
0
141039
- 1/1 defined
zoom
C
19
H
21
NO
4
327.3743
44
40
0
5
677219
zoom
C
19
H
21
NO
4
327.3743
44
26
0
0
11672315
- 0/1 defined
zoom
C
19
H
21
NO
4
327.3743
40
30
0
0
4575434
- 5/5 defined
zoom
C
19
H
21
NO
4
327.3743
39
71
0
0
21488
- 0/1 defined
zoom
C
19
H
21
NO
4
327.3743
38
35
0
0
677223
zoom
C
19
H
21
NO
4
327.3743
37
21
0
0
16738455
- 2/2 defined
zoom
C
19
H
21
NO
4
327.3743
37
40
12
36
527756
- 0/1 defined
zoom
C
19
H
21
NO
4
327.3743
34
26
0
0
1
2
3
4
5
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