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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
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+e
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M+CH3CNH
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Found 6620 results
Search term:
MF = 'C_{21}H_{20}N_{2}O_{5}'
1
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5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
137248
zoom
C
21
H
20
N
2
O
5
380.3939
97
76
0
0
3902666
zoom
C
21
H
20
N
2
O
5
380.3939
33
22
0
0
876967
zoom
C
21
H
20
N
2
O
5
380.3939
32
17
0
0
1146826
zoom
C
21
H
20
N
2
O
5
380.3939
29
17
0
0
2352410
- 0/1 defined
zoom
C
21
H
20
N
2
O
5
380.3939
29
17
0
0
888050
zoom
C
21
H
20
N
2
O
5
380.3939
28
16
0
0
1003850
zoom
C
21
H
20
N
2
O
5
380.3939
28
17
0
0
923464
zoom
C
21
H
20
N
2
O
5
380.3939
27
15
0
0
1138548
zoom
C
21
H
20
N
2
O
5
380.3939
27
15
0
0
1279279
zoom
C
21
H
20
N
2
O
5
380.3939
27
16
0
0
1402985
zoom
C
21
H
20
N
2
O
5
380.3939
27
16
0
0
2044128
- 0/2 defined
zoom
C
21
H
20
N
2
O
5
380.3939
27
25
0
0
2066875
- 0/1 defined
zoom
C
21
H
20
N
2
O
5
380.3939
27
17
0
0
4965915
zoom
C
21
H
20
N
2
O
5
380.3939
27
19
0
0
1003849
zoom
C
21
H
20
N
2
O
5
380.3939
26
15
0
0
1055269
zoom
C
21
H
20
N
2
O
5
380.3939
26
17
0
0
1003851
zoom
C
21
H
20
N
2
O
5
380.3939
25
15
0
0
930880
zoom
C
21
H
20
N
2
O
5
380.3939
25
16
0
0
930882
zoom
C
21
H
20
N
2
O
5
380.3939
25
16
0
0
1279102
zoom
C
21
H
20
N
2
O
5
380.3939
25
16
0
0
1
2
3
4
5
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