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ChemSpider
Search and share chemistry
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Structure
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Matches any text strings used to describe a molecule.
Systematic Name, Synonym, Trade Name, Registry Number, SMILES, InChI or CSID
Systematic names
1,2-dihydroxybenzene
Synonyms
AIBN
Trade names
Aspirin
Registry numbers
7732-18-5
SMILES
O=C(OCC)C
InChl
InChI=1/CH4/h1H4
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Filter only those having analytical data
Found 5023 results
Search term:
C20H21ClN2O4
(Found by molecular formula)
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
3234
zoom
C
20
H
21
ClN
2
O
4
388.8447
80
90
0
0
974329
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C
20
H
21
ClN
2
O
4
388.8447
29
17
0
0
4114520
zoom
C
20
H
21
ClN
2
O
4
388.84474
29
19
0
0
4125495
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
28
18
0
0
974400
zoom
C
20
H
21
ClN
2
O
4
388.8447
28
20
0
0
4113593
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
28
19
0
0
974427
zoom
C
20
H
21
ClN
2
O
4
388.8447
27
18
0
0
974393
zoom
C
20
H
21
ClN
2
O
4
388.8447
27
16
0
0
2184315
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
25
17
0
0
4965473
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
17
0
0
1219379
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
24
0
0
1530964
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
15
0
0
20711172
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.8447
24
14
0
0
916310
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
16
0
0
916321
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
14
0
0
916339
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
14
0
0
4966130
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
17
0
0
6782349
zoom
C
20
H
21
ClN
2
O
4
388.8447
23
16
0
0
2236908
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
23
17
0
0
2237039
- 0/1 defined
zoom
C
20
H
21
ClN
2
O
4
388.84474
23
17
0
0
1
2
3
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