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
Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
to
±
(example: 123 ± 1)
min/max
+/-
Nominal Mass:
to
±
-2H+
-H+
+H+
+2H+
min/max
+/-
Average Mass:
to
±
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:
to
±
M+CH3CNH
M+CH3OH2
M+.
M+K
M+Na
M+NH4
M+H
M-H
M+acetate
M-.
M+Cl
-e
+e
min/max
+/-
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 3703 results
Search term:
MF = 'C_{18}H_{21}NS'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
8054590
zoom
C
18
H
21
NS
283.431
29
29
0
0
13915854
zoom
C
18
H
21
NS
283.431
23
21
0
1
1423089
zoom
C
18
H
21
NS
283.431
12
8
0
0
11171137
zoom
C
18
H
21
NS
283.431
11
8
0
0
20349522
zoom
C
18
H
21
NS
283.431
10
8
0
0
13136577
zoom
C
18
H
21
NS
283.431
9
6
0
0
21230054
zoom
C
18
H
21
NS
283.431
8
7
0
0
4941054
zoom
C
18
H
21
NS
283.431
8
7
0
0
2938485
zoom
C
18
H
21
NS
283.43104
7
5
0
0
31023336
zoom
C
18
H
21
NS
283.431
7
7
0
0
16785123
zoom
C
18
H
21
NS
283.431
6
3
0
0
16785158
zoom
C
18
H
21
NS
283.431
6
3
0
0
2966099
- 0/1 defined
zoom
C
18
H
21
NS
283.43104
6
5
0
0
2338075
zoom
C
18
H
21
NS
283.43104
6
4
0
0
9776384
zoom
C
18
H
21
NS
283.431
5
4
0
0
9790921
- 0/1 defined
zoom
C
18
H
21
NS
283.431
5
4
0
0
2980157
- 0/1 defined
zoom
C
18
H
21
NS
283.43104
5
4
0
0
2275933
zoom
C
18
H
21
NS
283.43104
5
4
0
0
28683551
zoom
C
18
H
21
NS
283.431
5
4
0
0
26438289
zoom
C
18
H
21
NS
283.431
4
3
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement