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(2R,4S,5R)-4-allyl-5-[(3-tert-butyldiphenylsilyloxy)prop-1-ynyloxy]-2-(4-methoxyphenyl)-1,3-dioxane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

440117-05-5

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440117-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 440117-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,1,1 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 440117-05:
(8*4)+(7*4)+(6*0)+(5*1)+(4*1)+(3*7)+(2*0)+(1*5)=95
95 % 10 = 5
So 440117-05-5 is a valid CAS Registry Number.

440117-05-5Downstream Products

440117-05-5Relevant articles and documents

Preparation of cyclic ethers for polyether synthesis by catalytic ring-closing enyne metathesis of alkynyl ethers

Stephen Clark,Elustondo, Frédéric,Trevitt, Graham P,Boyall, Dean,Robertson, Jerod,Blake, Alexander J,Wilson, Claire,Stammen, Blanda

, p. 1973 - 1982 (2007/10/03)

Alkenyl-substituted six- and seven-membered cyclic enol ethers, which are potential building blocks for the synthesis of marine polyether natural products, can be prepared in high yield (70-97%) from alkynyl ethers by ruthenium-catalysed ring-closing enyn

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