RSC
SyntheticPages
Login
Register
About
About
ChemSpider Blog
Data Sources
Advisory Group
Collaborators
Present Sponsors
More Searches
Simple search
Structure search
Advanced search
Search History
Web APIs
Help
FAQ
Help
Getting Started
Forum
SiteMap
Search
Simple
Structure
Advanced
Intrinsic properties
More searches...
Ligand screening
Chemical elements
Intrinsic properties
Predicted properties
Data slice
Molecular Formula:
Exact match only
Molecular Weight:
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Monoisotopic Mass:
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
Options
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
Search
Search Hits Limit:
10
100
1000
10000
Loading ...
100 hits returned from a total of 436 found in 2.49 seconds.
Search terms: MF = 'C_{20}H_{18}N_{4}O_{3}S_{2}'
Finished
Grid
Tile
Table
Names/Structures
Names
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2215788
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
16
21
0
0
1396717
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
16
17
0
0
1450941
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
16
16
0
0
1439479
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
15
16
0
0
1487965
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
15
15
0
0
1649499
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
14
14
0
0
849729
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
13
15
0
0
1475259
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
13
13
0
0
1290381
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
13
13
0
0
1648435
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
13
13
0
0
1485118
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
12
12
0
0
1598227
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
12
12
0
0
895723
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
12
12
0
0
5002174
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
11
12
0
0
566323
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
11
11
0
0
878660
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
11
11
0
0
1636773
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
11
11
0
0
2383623
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
11
11
0
0
2418868
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
11
11
0
0
1475095
zoom
C
20
H
18
N
4
O
3
S
2
426.5119
10
10
0
0
1
2
3
4
5
Generate Leads
Advertisements
Also from the RSC
Advertise
Sponsor