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.

1,4,8,11-Tetraoxacyclotetradecane CAS NO 295-40-9

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CAS No.:295-40-9

Grade:Pharmacy Grade

Content:99.90%

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1,5,9,13-Tetrathiacyclohexadecane CAS NO 295-91-0

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CAS No.:295-91-0

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Content:99.90%

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1,10-Diazacyclooctadecane CAS NO 296-30-0

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CAS No.:296-30-0

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Content:99.90%

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1,4,7,10,13,16-Hexaazacyclooctadecane CAS NO 296-35-5

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CAS No.:296-35-5

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Content:99.90%

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1,4,10,13-Tetraoxa-7,16-Dithiacyclooctadecane CAS NO 296-39-9

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CAS No.:296-39-9

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Content:99.90%

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1,4,7,10,13,16-Hexathiacyclooctadecane CAS NO 296-41-3

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CAS No.:296-41-3

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Content:99.90%

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1,3,5,7-Tetrathiacyclooctane CAS NO 2373-00-4

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CAS No.:2373-00-4

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Content:99.90%

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3,6,7-Trimethyl-9-(1-Methylethyl)-13,17-Diphenyl-1,10,14-Trioxa-4,7-Diazacyploheptadecane-2,5,8,11,15-Pentone CAS NO 2601-84-5

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CAS No.:2601-84-5

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Content:99.90%

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