RSC
SyntheticPages
Login
Register
About
What is ChemSpider?
ChemSpider Blog
Data Sources
The Team
Advisory Group
Collaborators
Present Sponsors
Sponsor ChemSpider
Advertise
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 141.
Search terms:
MF = 'C_{21}H_{18}BrN_{3}O_{4}S'
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
2130270
- 0/1 defined
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
20
21
0
0
1653925
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
15
17
0
0
1301741
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
12
14
0
0
1082362
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
10
10
0
0
1120614
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
10
10
0
0
1122517
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
10
10
0
0
11916995
- 0/1 defined
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
10
15
0
0
2075940
- 0/1 defined
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
9
9
0
0
1848354
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
8
8
0
0
1860666
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
8
8
0
0
12808370
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
8
10
0
0
12808371
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
8
10
0
0
10885140
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
7
8
0
0
2727633
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
6
6
0
0
3319839
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
6
6
0
0
3696855
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
6
6
0
0
4385438
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
6
6
0
0
1872157
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
6
6
0
0
4823371
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
5
5
0
0
5282918
zoom
C
21
H
18
BrN
3
O
4
S
488.3543
5
5
0
0
1
2
3
4
5
Generate Leads
Advertise
Sponsor
Advertisements
Also from the RSC