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.

Calix[4]-Bis-1,2-Benzo-Crown-6 CAS NO 157769-17-0

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CAS No.:157769-17-0

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Content:99.90%

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10,19-Bis[(Octadecylcarbamoyl)Methoxy-Acetyl]-1,4,7,13,16-Pentaoxa-10,19-Diazacycloheneicosane CAS NO 160563-01-9

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CAS No.:160563-01-9

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1,3-Diisopropoxycalix[4!Arenecrown-6, 97 CAS NO 161282-96-8

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CAS No.:161282-96-8

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1,3-Dioctyloxycalix[4!Arenecrown-6, 97 CAS NO 161282-97-9

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CAS No.:161282-97-9

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Calix[4]-Bis-2,3-Naphtho-Crown-6 CAS NO 162898-44-4

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CAS No.:162898-44-4

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T-Butyl trans-17-Bromo-4 7 10 13-Tetraox CAS NO 166668-33-3

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CAS No.:166668-33-3

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49,50,51,52,53,54,55,56-Octapropoxycalix[8]Arene CAS NO 166890-43-3

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CAS No.:166890-43-3

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2,3,5,6,8,9-Hexahydro-1,4,7,10-Benzotetraoxacyclododecine-12-Carboxylic Acid CAS NO 170031-43-3

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CAS No.:170031-43-3

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