We solemnly promise that all of our CAS 14187 32 7, crown ether for organic synthesis, bulk crown ether has exceeded the national superiority inspection standard, and our main products have reached the international advanced level.We are one of the best suppliers for metal chelating crown ether in China, and provide customers with satisfied service. We pride ourselves on delivering quality products at competitive prices. Our company adheres to the principle of reputation first, and is willing to seek common development and progress with domestic and foreign enterprises. We've been here expecting close friends all around the earth! We sincerely hope to cooperate with friends from all sessions, join hands in the future, and share successful results! We work closely with manufacturers and suppliers to source the best products at competitive prices. Our success comes from the hardworking and innovative spirit of all employees, from the excellent quality of our products, and from the long-term support and trust of new and old customers.
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![18- Crown Ether -6]()
18- Crown Ether -618-crown-6 is an organic compound with the formula C12H24O6. It belongs to the macrocyclic ether class, characterized by a large ring in the molecular structure, with multiple oxygen atomsread more -
![Tetramethylammonium Chloride]()
Tetramethylammonium ChlorideTetramethylammonium chloride 99.0% (CAS Number 75-57-0) ,It is primarily used as a fluorination catalyst, a phase transfer catalyst, and a curing accelerator for powder coatings and epoxy polymerread more -
![Tetrabutylammonium Bromide]()
Tetrabutylammonium BromideTetrabutylammonium Bromide 99.0% (CAS 1643-19-2) is a widely used phase transfer catalyst, commonly used in organic synthesis, esterification reactions, alkylation reactions, and other fields. Ourread more -
![Benzyl Trimethyl Ammonium Chloride]()
Benzyl Trimethyl Ammonium ChlorideBenzyl trimethyl ammonium chloride (CAS 56-93-9),Purity 99.0% min,is a quaternary ammonium salt compound commonly used as a phase transfer catalyst in chemical syntheses, facilitating heterogeneousread more -
![Triethylamine Hydrochloride]()
Triethylamine HydrochlorideTriethylamine hydrochloride (CAS 554-68-7), with a purity of 99.0% min, is also known as hydrochloric acid triethylamine or N,N-diethylethylamine hydrochloride. It is an off-white crystalline solid.read more -
![Triethylamine Hydrobromide]()
Triethylamine HydrobromideTriethylamine hydrobromide (CAS 636-70-4) , Purity 99.0% min,it is a white crystalline solid that is stable at room temperature. It is strongly hygroscopic and soluble in water. Its aqueous solutionread more -
![Methyl Triphenyl Phosphonium Bromide]()
Methyl Triphenyl Phosphonium BromideMethyl triphenyl phosphonium bromide (CAS 1779-49-3), with a purity of 99.5% min,it is used as a phase transfer catalyst in organic synthetic chemistry, suitable for the synthesis of interaromaticread more -
![Tetraethylammonium Hydroxide]()
Tetraethylammonium HydroxideTetraethylammonium hydroxide (CAS 77-98-5) is used as a phase transfer catalyst, a template agent for molecular sieve synthesis, a cleaning agent, and a deimpurity agent in the petroleum industry.read more -
![Benzyltrimethylammonium Hydroxide]()
Benzyltrimethylammonium HydroxideBenzyltrimethylammonium hydroxide（CAS 100-85-6）with a content of 25%, It is commonly used as polymerization catalyst for synthesis of silicone rubber and other organosilicon products andread more -
![12- Crown Ether -4]()
12- Crown Ether -412-Crown-4 (12-crown-4) is an organic compound belonging to the crown ether family with a molecular formula of C8H16O4 and a molecular weight of 176.21 g/mol. Crown ether is a class ofread more -
![15- Crown Ether -5]()
15- Crown Ether -515-crown-5 is a chemical with a molecular formula of C10H20O5, a molecular weight of 220.26 g/mol, and a CAS number of 33100-27-5. It belongs to the category of crown ether compounds, which are namedread more -
![Dibenzo-18-crown-6]()
Dibenzo-18-crown-6Dibenzo-18-crown ether-6, specifically, is a ring structure composed of two benzene rings through 18 carbon atoms and 6 oxygen atoms, of which 6 oxygen atoms are located on the ring, spaced apart,read more
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Crown Ether Schiff bases and their Complexes: Recent …...
Emphasis has been done on element complexation with crown ether holding Schiff bases to enable the researchers to procure valuable information of the chelating activity of crown ether...
Analysis of the Possibility of the Crown Ether …...
Nitrogen-containing crown ethers modified with chelating groups. The presence of the secondary nitrogen atom in the crown ethers macrocycle offers the great opportunities for synthetic...
Metal chelation and spatial profiling of components in crown ether ......
Dec 30, 2009 · Here, we set out to use conducting polymer-immobilised crown ether substituents to extract and bind metal ions from solution. The initial strategy adopted employed a pyrrole...
Cation-Controlled Catalysis with Crown Ether-Containing …...
Transition metal complexes that incorporate crown ethers into the supporting ligands have emerged as a powerful class of catalysts capable of cation-tunable reactivity....
Crown Ether Schiff bases and Their Complexes: …...
Aza-crown ether Schiff bases have been used widely in synthesis of chelating ligands. Crown ether containing azomethine groups are famed to join base metal ions in the crown ether hole...
Novel Crown Ether and Salen Metal Chelation Driven Molecular …...
Aug 30, 2006 · The synthesis of novel metal chelation driven molecular pincers based on crown ether and salen ligand substructures are described. Their functionality was monitored by...
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