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642068-75-5

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642068-75-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 642068-75-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,2,0,6 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 642068-75:
(8*6)+(7*4)+(6*2)+(5*0)+(4*6)+(3*8)+(2*7)+(1*5)=155
155 % 10 = 5
So 642068-75-5 is a valid CAS Registry Number.

642068-75-5Downstream Products

642068-75-5Relevant articles and documents

Synthesis of Polyfunctionalized Biphenyls as Intermediates for a New Class of Liquid Crystals

Manka, Jason T.,Guo, Fengli,Huang, Jianping,Yin, Huiyong,Farrar, John M.,Sienkowska, Monika,Benin, Vladimir,Kaszynski, Piotr

, p. 9574 - 9588 (2007/10/03)

A series of hexa- and octasubstituted biphenyls containing halogen, amino, nitro, and propylthio substituents were prepared by metal-mediated convergent synthesis from halobenzene precursors. The Pd-assisted C-C coupling methods were ineffective in the fo

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