Jump to main content
Jump to site nav
Home
About us
Membership & professional community
Campaigning & outreach
Journals, books & databases
Teaching & learning
News & events
Locations & contacts
Home
About us
Web APIs
Help
Sign in
ChemSpider
Search and share chemistry
Simple
Structure
Advanced
History
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
Search
Search Hits Limit:
100
1000
10000
Filter
Single/Multi-component
Search Any
Search Single-Component Structures Only
Search Multi-Component Structures Only
Isotopically Labeled
Search Any
Search Isotopically Labeled Structures Only
Disregard Isotopically Labeled Structures
Additional Filters
Filter only those having analytical data
Found 8980 results
Search term:
C21H20N2O4
(Found by molecular formula)
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
1695745
zoom
C
21
H
20
N
2
O
4
364.3945
33
20
0
0
30507723
zoom
C
21
H
20
N
2
O
4
364.3945
33
19
0
0
1003836
zoom
C
21
H
20
N
2
O
4
364.3945
31
22
0
0
896075
zoom
C
21
H
20
N
2
O
4
364.3945
30
23
0
0
570097
zoom
C
21
H
20
N
2
O
4
364.3945
29
18
0
0
2664139
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
29
19
0
0
4221990
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
29
21
0
0
927007
zoom
C
21
H
20
N
2
O
4
364.3945
28
18
0
0
948844
zoom
C
21
H
20
N
2
O
4
364.3945
28
17
0
0
926048
zoom
C
21
H
20
N
2
O
4
364.3945
27
16
0
0
2067411
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
27
19
0
0
1365131
zoom
C
21
H
20
N
2
O
4
364.3945
27
16
0
0
1661059
zoom
C
21
H
20
N
2
O
4
364.3945
26
17
0
0
574331
zoom
C
21
H
20
N
2
O
4
364.3945
26
14
0
0
930876
zoom
C
21
H
20
N
2
O
4
364.3945
26
17
0
0
930877
zoom
C
21
H
20
N
2
O
4
364.3945
25
16
0
0
1003810
zoom
C
21
H
20
N
2
O
4
364.3945
25
15
0
0
1003812
zoom
C
21
H
20
N
2
O
4
364.3945
25
16
0
0
1034874
zoom
C
21
H
20
N
2
O
4
364.3945
25
17
0
0
2167025
- 0/1 defined
zoom
C
21
H
20
N
2
O
4
364.3945
25
21
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement