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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
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M-H
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+e
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Found 7100 results
Search term:
MF = 'C_{21}H_{22}N_{2}O_{4}S'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2162737
- 0/1 defined
zoom
C
21
H
22
N
2
O
4
S
398.47538
61
47
0
0
17961449
- 1/1 defined
zoom
C
21
H
22
N
2
O
4
S
398.4754
54
65
9
2
92631
- 0/1 defined
zoom
C
21
H
22
N
2
O
4
S
398.4754
44
48
11
2
1455289
zoom
C
21
H
22
N
2
O
4
S
398.4754
29
23
0
0
2206738
zoom
C
21
H
22
N
2
O
4
S
398.47538
29
20
0
0
2183684
- 0/1 defined
zoom
C
21
H
22
N
2
O
4
S
398.47538
28
19
0
0
1747757
zoom
C
21
H
22
N
2
O
4
S
398.4754
28
15
0
0
1240372
zoom
C
21
H
22
N
2
O
4
S
398.4754
27
19
0
0
848885
zoom
C
21
H
22
N
2
O
4
S
398.4754
27
15
0
0
913480
zoom
C
21
H
22
N
2
O
4
S
398.4754
25
14
0
0
926346
zoom
C
21
H
22
N
2
O
4
S
398.4754
25
14
0
0
1438799
zoom
C
21
H
22
N
2
O
4
S
398.4754
25
14
0
0
2376141
- 0/1 defined
zoom
C
21
H
22
N
2
O
4
S
398.47538
25
19
0
0
1635332
zoom
C
21
H
22
N
2
O
4
S
398.4754
24
15
0
0
2140192
- 0/1 defined
zoom
C
21
H
22
N
2
O
4
S
398.47538
24
17
0
0
859786
zoom
C
21
H
22
N
2
O
4
S
398.4754
24
16
0
0
861133
zoom
C
21
H
22
N
2
O
4
S
398.4754
24
17
0
0
958904
zoom
C
21
H
22
N
2
O
4
S
398.4754
23
16
0
0
1018331
zoom
C
21
H
22
N
2
O
4
S
398.4754
23
16
0
0
2346703
- 0/1 defined
zoom
C
21
H
22
N
2
O
4
S
398.47538
23
18
0
0
1
2
3
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5
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