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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
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+e
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M+CH3CNH
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Found 17401 results
Search term:
MF = 'C_{19}H_{21}N_{3}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2044987
zoom
C
19
H
21
N
3
O
4
355.38774
41
34
0
0
87419
- 1/1 defined
zoom
C
19
H
21
N
3
O
4
355.3877
40
35
0
0
942461
zoom
C
19
H
21
N
3
O
4
355.3877
35
25
0
0
2140558
zoom
C
19
H
21
N
3
O
4
355.38774
33
21
0
0
227852
- 0/1 defined
zoom
C
19
H
21
N
3
O
4
355.3877
31
27
5
2
942466
zoom
C
19
H
21
N
3
O
4
355.3877
30
21
0
0
2413836
zoom
C
19
H
21
N
3
O
4
355.3877
30
20
0
0
3244303
zoom
C
19
H
21
N
3
O
4
355.3877
30
16
0
0
873198
zoom
C
19
H
21
N
3
O
4
355.3877
30
17
0
0
2145989
zoom
C
19
H
21
N
3
O
4
355.38774
29
18
0
0
947441
zoom
C
19
H
21
N
3
O
4
355.3877
29
14
0
0
26457089
zoom
C
19
H
21
N
3
O
4
355.3877
28
24
0
0
2129434
zoom
C
19
H
21
N
3
O
4
355.38774
27
18
0
0
1026878
zoom
C
19
H
21
N
3
O
4
355.3877
27
19
0
0
1043095
zoom
C
19
H
21
N
3
O
4
355.3877
27
18
0
0
868561
zoom
C
19
H
21
N
3
O
4
355.3877
27
16
0
0
1095922
zoom
C
19
H
21
N
3
O
4
355.3877
27
18
0
0
1230572
zoom
C
19
H
21
N
3
O
4
355.3877
27
22
0
0
1655064
zoom
C
19
H
21
N
3
O
4
355.3877
27
16
0
0
1066568
zoom
C
19
H
21
N
3
O
4
355.3877
26
17
0
0
1
2
3
4
5
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