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 433 results
Search term:
MF = 'C_{18}H_{31}ClN_{2}O_{2}'
1
2
3
4
5
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
4445574
- 0/1 defined
zoom
C
18
H
31
ClN
2
O
2
342.90394
57
5934
9087
0
20822
zoom
C
18
H
31
ClN
2
O
2
342.90394
16
17
0
0
57317298
zoom
C
18
H
31
ClN
2
O
2
342.9039
16
13
0
0
46019
zoom
C
18
H
31
ClN
2
O
2
342.90394
13
12
0
0
48854
zoom
C
18
H
31
ClN
2
O
2
342.90394
13
12
0
0
2112711
- 0/1 defined
zoom
C
18
H
31
ClN
2
O
2
342.90394
12
10
0
0
2217703
zoom
C
18
H
31
ClN
2
O
2
342.90394
12
11
0
0
2267825
- 0/1 defined
zoom
C
18
H
31
ClN
2
O
2
342.90394
12
11
0
0
2238854
zoom
C
18
H
31
ClN
2
O
2
342.90394
11
10
0
0
46021
- 0/1 defined
zoom
C
18
H
31
ClN
2
O
2
342.90394
10
10
0
0
46086
zoom
C
18
H
31
ClN
2
O
2
342.90394
10
8
0
0
47286
- 0/1 defined
zoom
C
18
H
31
ClN
2
O
2
342.90394
10
10
0
0
18379521
- 0/1 defined
zoom
C
18
H
31
ClN
2
O
2
342.9039
10
9
0
0
25209
- 0/2 defined
zoom
C
18
H
31
ClN
2
O
2
342.90394
9
7
0
0
2238880
zoom
C
18
H
31
ClN
2
O
2
342.90394
9
8
0
0
2265103
zoom
C
18
H
31
ClN
2
O
2
342.90394
9
8
0
0
2265111
zoom
C
18
H
31
ClN
2
O
2
342.90394
9
8
0
0
2266580
zoom
C
18
H
31
ClN
2
O
2
342.90394
9
8
0
0
2266593
zoom
C
18
H
31
ClN
2
O
2
342.90394
9
8
0
0
2267752
zoom
C
18
H
31
ClN
2
O
2
342.90394
9
8
0
0
1
2
3
4
5
Advertisement
Advertisement
Spotlight
Advertisement