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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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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 1537 results
Search term:
MF = 'C_{21}H_{19}NO_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
217923
zoom
C
21
H
19
NO
2
317.3811
87
56
1
11
305644
zoom
C
21
H
19
NO
2
317.3811
46
31
0
0
17929178
zoom
C
21
H
19
NO
2
317.3811
41
31
0
0
593417
zoom
C
21
H
19
NO
2
317.3811
32
17
0
0
693606
zoom
C
21
H
19
NO
2
317.3811
31
18
0
0
689848
zoom
C
21
H
19
NO
2
317.3811
29
18
0
0
689849
zoom
C
21
H
19
NO
2
317.3811
28
18
0
0
595557
zoom
C
21
H
19
NO
2
317.3811
28
19
0
0
604268
zoom
C
21
H
19
NO
2
317.3811
28
21
0
0
1153088
zoom
C
21
H
19
NO
2
317.3811
28
18
0
0
2167978
zoom
C
21
H
19
NO
2
317.38106
28
19
0
0
604300
zoom
C
21
H
19
NO
2
317.3811
27
18
0
0
619744
zoom
C
21
H
19
NO
2
317.3811
27
16
0
0
629532
zoom
C
21
H
19
NO
2
317.3811
26
16
0
0
604279
zoom
C
21
H
19
NO
2
317.3811
26
17
0
0
698614
zoom
C
21
H
19
NO
2
317.3811
25
16
0
0
707382
zoom
C
21
H
19
NO
2
317.3811
25
17
0
0
736559
zoom
C
21
H
19
NO
2
317.3811
25
17
0
0
767838
zoom
C
21
H
19
NO
2
317.3811
25
17
0
0
767952
zoom
C
21
H
19
NO
2
317.3811
25
15
0
0
1
2
3
4
5
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