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18,20-Bis-(4-tert-butyl-phenyl)-2,5,8,11,14,19-hexaoxa-tricyclo[13.7.0.017,21]docosa-1(22),15,17,20-tetraene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188129-13-7

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188129-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188129-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,1,2 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188129-13:
(8*1)+(7*8)+(6*8)+(5*1)+(4*2)+(3*9)+(2*1)+(1*3)=157
157 % 10 = 7
So 188129-13-7 is a valid CAS Registry Number.

188129-13-7Downstream Products

188129-13-7Relevant academic research and scientific papers

Novel Crown Ether Assemblies: The Role of Isobenzofurans for Attaching Crown Ethers to Rigid Molecular Racks in a Geometrically Precise Fashion

Warrener, Ronald N.,Wang, Shudong,Russell, Richard A.,Gunter, Maxwell J.

, p. 47 - 50 (2007/10/03)

Rigid polyalicyclic nanostructures with extended and U-shaped geometry and functionalised with 15-crown-5 rings have been prepared from molrac mono or bisalkenes and new crown ether isobenzofurans; substituents in the 1,3-position of the isobenzofuran are used to modify stereospecifities in the cycloaddition process thereby acting as geometrical control agents in the construction process.

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