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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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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
min/max
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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-.
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Found 9935 results
Search term:
MF = 'C_{19}H_{18}N_{2}O_{4}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
91414
- 1/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
115
89
0
11
88669
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
84
86
0
3
610611
- 1/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
77
44
1
0
677401
- 1/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
52
38
0
0
20734126
zoom
C
19
H
18
N
2
O
4
338.3572
45
30
0
0
24609693
zoom
C
19
H
18
N
2
O
4
338.3572
45
19
0
0
10365127
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
44
42
0
0
20705414
zoom
C
19
H
18
N
2
O
4
338.3572
43
30
0
0
47493
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
39
66
26
0
5731339
- 1/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
37
30
0
0
2131144
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.35722
36
31
0
0
20715269
zoom
C
19
H
18
N
2
O
4
338.3572
36
20
0
0
20712757
zoom
C
19
H
18
N
2
O
4
338.3572
34
19
0
0
2106584
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.35722
34
21
0
0
90380
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
34
33
0
0
742412
zoom
C
19
H
18
N
2
O
4
338.3572
33
20
0
0
188768
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.3572
31
20
0
0
647899
zoom
C
19
H
18
N
2
O
4
338.3572
31
20
0
0
707245
zoom
C
19
H
18
N
2
O
4
338.3572
30
17
0
0
2066887
- 0/1 defined
zoom
C
19
H
18
N
2
O
4
338.35722
30
17
0
0
1
2
3
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