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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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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 1988 results
Search term:
MF = 'C_{21}H_{18}N_{4}OS'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
25058556
- 1/1 defined
zoom
C
21
H
18
N
4
OS
374.4588
37
43
0
0
2171246
- 0/1 defined
zoom
C
21
H
18
N
4
OS
374.45882
26
19
0
0
1100697
zoom
C
21
H
18
N
4
OS
374.4588
25
15
0
0
1154019
zoom
C
21
H
18
N
4
OS
374.4588
24
13
0
0
1507694
zoom
C
21
H
18
N
4
OS
374.4588
24
15
0
0
1625901
zoom
C
21
H
18
N
4
OS
374.4588
23
13
0
0
1235213
zoom
C
21
H
18
N
4
OS
374.4588
23
16
0
0
1440605
zoom
C
21
H
18
N
4
OS
374.4588
22
14
0
0
931458
zoom
C
21
H
18
N
4
OS
374.4588
22
16
0
0
934817
zoom
C
21
H
18
N
4
OS
374.4588
22
13
0
0
962461
zoom
C
21
H
18
N
4
OS
374.4588
22
13
0
0
1658825
zoom
C
21
H
18
N
4
OS
374.4588
22
13
0
0
7835971
zoom
C
21
H
18
N
4
OS
374.4588
22
13
0
0
926226
zoom
C
21
H
18
N
4
OS
374.4588
21
15
0
0
2192556
zoom
C
21
H
18
N
4
OS
374.45882
21
15
0
0
2229458
- 0/1 defined
zoom
C
21
H
18
N
4
OS
374.45882
21
16
0
0
964509
zoom
C
21
H
18
N
4
OS
374.4588
21
11
0
0
1051049
zoom
C
21
H
18
N
4
OS
374.4588
21
14
0
0
1059620
zoom
C
21
H
18
N
4
OS
374.4588
21
16
0
0
5643315
zoom
C
21
H
18
N
4
OS
374.4588
20
15
0
0
1
2
3
4
5
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