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-tert-Butyl-Calix[4]Arene-Crown-4-Complex CAS NO 171058-95-0

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CAS No.:171058-95-0

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Content:99.90%

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2,3:11,12-Didecalino-16-Crown-5 CAS NO 172883-29-3

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CAS No.:172883-29-3

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1,4,7,10-Benzotetraoxacyclododecin-12-Carboxylic Acid, 2,3,5,6,8,9-Hexahydro-, Ethyl Este CAS NO 180475-66-5

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CAS No.:180475-66-5

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Heptakis(6-o-Sulfo)-Β-Cyclodextrin Tetradecaacetate Heptapyridium Salt CAS NO 196398-65-9

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CAS No.:196398-65-9

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Dimethoxypillar[5]Arene CAS NO 1188423-16-6

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CAS No.:1188423-16-6

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1,4,7,10-Benzotetraoxacyclododecin-12-Carboxylic Acid, 13-Amino-2,3,5,6,8,9-Hexahydro-, Ethyl Ester CAS NO 1204386-13-9

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CAS No.:1204386-13-9

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1, 4, 7,10-Tetraazacyclododecane-1, 4, 7-Tris(Acetic Acid)-10-(2-Thioethyl)Acetamide CAS NO 1227407-76-2

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CAS No.:1227407-76-2

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1,4,7,10,13-Benzopentaoxacyclopentadecin, 2,3,5,6,8,9,11,12-Octahydro-14,17-Diiodo- CAS NO 1432489-08-1

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CAS No.:1432489-08-1

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