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 86 results
Search term:
MF = 'C_{18}H_{21}ClO_{3}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
2167937
- 0/1 defined
zoom
C
18
H
21
ClO
3
320.81054
21
14
0
0
2185604
zoom
C
18
H
21
ClO
3
320.81054
21
15
0
0
1708850
zoom
C
18
H
21
ClO
3
320.8105
20
14
0
0
1706505
zoom
C
18
H
21
ClO
3
320.8105
20
14
0
0
498784
- 0/1 defined
zoom
C
18
H
21
ClO
3
320.8105
18
14
0
0
1685299
zoom
C
18
H
21
ClO
3
320.8105
18
12
0
0
1685326
zoom
C
18
H
21
ClO
3
320.8105
17
10
0
0
1685250
zoom
C
18
H
21
ClO
3
320.8105
17
11
0
0
1707574
zoom
C
18
H
21
ClO
3
320.8105
17
11
0
0
2173531
zoom
C
18
H
21
ClO
3
320.81054
17
11
0
0
1713546
zoom
C
18
H
21
ClO
3
320.8105
17
11
0
0
2173575
zoom
C
18
H
21
ClO
3
320.81054
16
11
0
0
2173581
zoom
C
18
H
21
ClO
3
320.81054
16
10
0
0
2173467
zoom
C
18
H
21
ClO
3
320.81054
16
11
0
0
1711427
zoom
C
18
H
21
ClO
3
320.8105
16
11
0
0
1707586
zoom
C
18
H
21
ClO
3
320.8105
16
11
0
0
1708744
zoom
C
18
H
21
ClO
3
320.8105
16
11
0
0
1706997
zoom
C
18
H
21
ClO
3
320.8105
16
11
0
0
1711336
zoom
C
18
H
21
ClO
3
320.8105
15
11
0
0
1711217
zoom
C
18
H
21
ClO
3
320.8105
14
9
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement