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 46 results
Search term:
MF = 'C_{20}H_{43}NO_{2}'
1
2
3
ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
15748
zoom
C
20
H
43
NO
2
329.5609
50
43
0
0
99288
zoom
C
20
H
43
NO
2
329.5609
39
37
1
0
9791634
- 2/2 defined
zoom
C
20
H
43
NO
2
329.5609
23
22
0
0
49072748
- 2/2 defined
zoom
C
20
H
43
NO
2
329.5609
15
15
0
0
23253704
- 0/2 defined
zoom
C
20
H
43
NO
2
329.5609
13
12
0
1
3595353
- 0/2 defined
zoom
C
20
H
43
NO
2
329.560920000001
13
10
0
0
82532
zoom
C
20
H
43
NO
2
329.560920000001
13
14
0
0
83606
- 0/2 defined
zoom
C
20
H
43
NO
2
329.5609
13
15
0
0
2290164
zoom
C
20
H
43
NO
2
329.560920000001
11
13
0
0
324664
zoom
C
20
H
43
NO
2
329.5609
9
6
0
0
4408634
- 0/1 defined
zoom
C
20
H
43
NO
2
329.560920000001
9
4
0
0
23080327
zoom
C
20
H
43
NO
2
329.5609
8
7
0
0
2290293
zoom
C
20
H
43
NO
2
329.560920000001
8
8
0
0
3508409
zoom
C
20
H
43
NO
2
329.560920000001
7
5
0
0
91125
zoom
C
20
H
43
NO
2
329.560920000001
7
7
0
0
4955784
zoom
C
20
H
43
NO
2
329.5609
7
7
0
0
8443878
- 0/4 defined
zoom
C
20
H
43
NO
2
329.5609
6
4
0
0
57508012
zoom
C
20
H
43
NO
2
329.5609
6
5
0
0
8443879
- 0/4 defined
zoom
C
20
H
43
NO
2
329.5609
5
3
0
0
14878247
zoom
C
20
H
43
NO
2
329.5609
5
5
0
0
1
2
3
Advertisement
Advertisement
Spotlight
Advertisement