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.

1,4,7,10,13,16,19,22-Octaoxacyclotetracosane CAS NO 33089-37-1

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CAS No.:33089-37-1

Grade:Pharmacy Grade

Content:99.90%

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1,4,7,10,13-Pentaoxa-16-Azacyclooctadecane CAS NO 33941-15-0

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CAS No.:33941-15-0

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Content:99.90%

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4,4(5)-Dimethyldibenzo-18-Crown-6 CAS NO 34368-73-5

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CAS No.:34368-73-5

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Content:99.90%

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1,4,7,10-Tetraoxadispiro[4.0.4.3]Tridecane,11-Methyl-(9Ci) CAS NO 35938-81-9

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CAS No.:35938-81-9

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Content:99.90%

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1,4,7,10,13-Pentathiacyclopentadecane CAS NO 36338-04-2

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CAS No.:36338-04-2

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Content:99.90%

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Kryptofix 111 CAS NO 37095-49-1

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CAS No.:37095-49-1

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Content:99.90%

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4,4'(5')-Di-T-Butyldicyclo-Hexano-18-Crown-6 CAS NO 38723-98-7

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CAS No.:38723-98-7

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4-Vinylbenzo-15-Crown-5 CAS NO 39557-70-5

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CAS No.:39557-70-5

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Content:99.90%

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