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.

Poly(2 5-Bis(1 4 7 10-Tetraoxaundecyl)-& CAS NO 221244-49-1

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CAS No.:221244-49-1

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Content:99.90%

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4′,4″(5″)-Di-tert-Butyldicyclohexano-18-Crown-6 CAS NO 223719-29-7

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CAS No.:223719-29-7

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1,3,5,7,10,13-Hexaoxacyclopentadecane CAS NO 231963-68-1

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CAS No.:231963-68-1

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1,6,10,15-Tetraoxa-2,5,11,14-Tetraazacyclooctodecane, 1,7,11,17-Tetraoxa-2,6,12,16-Tetraazacycloeicosane CAS NO 235093-03-5

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CAS No.:235093-03-5

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4' 4''(5'')-Diaminodibenzo-15-Crown-5 CAS NO 245086-08-2

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CAS No.:245086-08-2

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Cucurbit(5)Uril CAS NO 259886-49-2

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CAS No.:259886-49-2

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11,12,13,14,26,27-Hexahydrotetrabenzo[E,I,O,S][1,4,7,11,14,18]Dioxatetraazacycloicosine CAS NO 30563-73-6

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CAS No.:30563-73-6

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Kryptofix(R) 221 CAS NO 31364-42-8

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CAS No.:31364-42-8

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