Crown Ethers

Crown Ethers

Crown ethers are cyclic polyether compounds renowned for their exceptional ability to selectively bind metal cations and organic ammonium ions. Their cavity size and electron-rich oxygen atoms enable precise ion recognition, making them powerful phase-transfer catalysts and molecular hosts. Crown ethers facilitate nucleophilic substitutions, polymerizations, and complexation processes under mild conditions. In materials science, they support ion transport, supramolecular assembly, and sensor development. Their tunable ring size and functionalization allow customized binding properties for chemical separation, catalysis, and analytical chemistry. Crown ethers remain indispensable tools in host–guest chemistry and molecular design.

n-Dodecylmonoaza-15-Crown-5-n-Oxide CAS NO 129117-50-6

Unit Price:Get Price

CAS No.:129117-50-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

4-tert-Butyl-Calix[4]Arene-Crown-6-Complex CAS NO 129518-51-0

Unit Price:Get Price

CAS No.:129518-51-0

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

4-Octadecanoyloxymethyl-N,N,N',N'-Tetracyclohexyl-1,2-Phenylenedioxydiacetamide CAS NO 129880-73-5

Unit Price:Get Price

CAS No.:129880-73-5

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

[2,5!-Dibenzo-21-Crown-7, 97 CAS NO 133560-78-8

Unit Price:Get Price

CAS No.:133560-78-8

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Tetraaza-12-Crown-4 Tetrahydrogensulfate CAS NO 134765-72-3

Unit Price:Get Price

CAS No.:134765-72-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

N,N'-Bis(Methoxymethyl)Diaza-12-Crown-4, 90 CAS NO 142273-75-4

Unit Price:Get Price

CAS No.:142273-75-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

4,4'(5')-Di-tert-Octyldibenzo-18-Crown-6 CAS NO 146622-68-6

Unit Price:Get Price

CAS No.:146622-68-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Go to Page

Why choose US

Trusted Manufacturer

With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.

Rigorous Quality Assurance

Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.

Advanced R&D Expertise

Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.