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184765-68-2

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184765-68-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 184765-68-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,4,7,6 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 184765-68:
(8*1)+(7*8)+(6*4)+(5*7)+(4*6)+(3*5)+(2*6)+(1*8)=182
182 % 10 = 2
So 184765-68-2 is a valid CAS Registry Number.

184765-68-2Downstream Products

184765-68-2Relevant articles and documents

Mn(III)-tetraarylporphyrins bearing covalently bonded crown-ethers: Synthesis and catalytic activity in 1-dodecene epoxidation promoted by aqueous HOCl/OCl-

Banfi, Stefano,Manfredi, Amedea,Montanari, Fernando,Pozzi, Gianluca,Quici, Silvio,Ursino, Felice

, p. 369 - 377 (2008/10/09)

Mn(III)-complexes of tetraarylporphyrins 1-4 bearing a crown ether covalently linked through a single flexible chain have been synthesized. Their basic frame is that of the robust tetra-(2,6-dichlorophenyl)porphyrin 5 and the chain is connected by ether linkage either to the ortho (1-2) or to the meta positions (3-4) of one meso-aryl group. Catalytic efficiency was tested in the epoxidation of the poorly reactive 1-dodecene at 0°C under CH2Cl2/H2O two-phase conditions in the presence of NaOCl (pH 9.5-10.0) as oxygen donor. The results obtained led us to propose a general acid/base catalysis as an explanation for the positive effect of crown-ethers in the alkene epoxidations with this catalytic system.

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