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.

4'-Ethynylbenzo-15-Crown-5 CAS NO 92710-94-6

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CAS No.:92710-94-6

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Content:99.90%

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1,4,7,10,13,16-Benzohexaoxacyclooctadecin, 18-Ethynyl-2,3,5,6,8,9,11,12,14,15-Decahydro- CAS NO 92710-95-7

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CAS No.:92710-95-7

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1,4,7,10,15,18,21,24-Octaoxacyclooctacosane-11,14,25,28-Tetrone CAS NO 92772-42-4

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CAS No.:92772-42-4

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4,15,21,32,37,48-Hexaoxa-1,18-Diazabicyclo[16.16.16]Pentacontane-5,14,22,31,38,47-Hexone CAS NO 94088-54-7

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CAS No.:94088-54-7

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3-(2-Hydroxyethyl)-6,10,13-Trioxa-3-Azahexadecane-1,8,15,16-Tetrol CAS NO 94134-82-4

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CAS No.:94134-82-4

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(+/-)-2-(Aminoethyl)-12-Crown-4 CAS NO 94616-61-2

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CAS No.:94616-61-2

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4-Nitro-2-[(1,4,7-Trioxa-10-Azacyclododecan-10-Yl)Methyl]Phenol CAS NO 96927-45-6

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CAS No.:96927-45-6

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4,4(5)-Di(1-Hydroxy-2-Ethylhexyl)Dibenzo-18-Crown-6 CAS NO 97240-59-0

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CAS No.:97240-59-0

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