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.

Bis(1,4-Phenylene)-34-Crown 10-Ether CAS NO 53914-95-7

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CAS No.:53914-95-7

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Content:99.90%

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4'',4(5)-Dinitrodibenzo-30-Crown-10 CAS NO 54112-60-6

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CAS No.:54112-60-6

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Benzoaza-15-Crown-5, 99 CAS NO 54533-83-4

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CAS No.:54533-83-4

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2,2,4,9,9,11-Hexamethyltetraaza-14-Crown-4 Hydrate CAS NO 54622-44-5

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CAS No.:54622-44-5

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18-Crown-6 Acetonitrile Complex CAS NO 55075-35-9

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CAS No.:55075-35-9

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(S)-2,2'-Binaphthyl-14-Crown-4 CAS NO 55442-00-7

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CAS No.:55442-00-7

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(S)-2,2'-Binaphthyl-17-Crown-5 CAS NO 55442-01-8

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CAS No.:55442-01-8

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(Benzo-15-Crown 5-Ether)-4'-Carboxylic Acid CAS NO 56683-55-7

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CAS No.:56683-55-7

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Content:99.90%

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