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.

2,3-(4-Methoxycarbonylbenzo)-1,4,7,10,13-Pentaoxacyclopentadec-2-Ene CAS NO 56683-56-8

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CAS No.:56683-56-8

Grade:Pharmacy Grade

Content:99.90%

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16-Azabicyclo10.3.1Hexadeca-1(16),12,14-Triene, 3-Methyl- CAS NO 56912-83-5

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CAS No.:56912-83-5

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Content:99.90%

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(+)-(18-Crown-6)-2,3,11,12-Tetracarboxamide CAS NO 57207-22-4

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CAS No.:57207-22-4

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Content:99.90%

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1,13-Bis(8-Quinolyl)-1,4,7,10,13-Pentaoxatridecane CAS NO 57310-75-5

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CAS No.:57310-75-5

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Content:99.90%

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1,2-Bis[2-[2-(2-Methoxyethoxy)Ethoxy]Ethoxy]Benzene CAS NO 57721-95-6

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CAS No.:57721-95-6

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Content:99.90%

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19,20,22,23-Tetrahydro-12H-7,11-Nitrilo-6H-Dibenzo[B,K][1,4,7,10,13]Pentaoxacycloicosin CAS NO 59945-37-8

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CAS No.:59945-37-8

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1,4,7-Trithiacyclononane CAS NO 6573-11-1

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CAS No.:6573-11-1

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Content:99.90%

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1,4,7-Trioxacyclotridecane-8,13-Dione CAS NO 6607-34-7

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CAS No.:6607-34-7

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Content:99.90%

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