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606080-45-9

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606080-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 606080-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,6,0,8 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 606080-45:
(8*6)+(7*0)+(6*6)+(5*0)+(4*8)+(3*0)+(2*4)+(1*5)=129
129 % 10 = 9
So 606080-45-9 is a valid CAS Registry Number.

606080-45-9Relevant articles and documents

Copper-catalyzed C-N coupling in the synthesis of integrase inhibitors of immunodeficiency viruses

Lin, Jinguan,Houpis, Ioannis N.,Liu, Renmao,Wang, Youchu,Zhang, Jianqian

, p. 205 - 214 (2014/05/20)

This contribution describes the total synthesis of a complex macrocyclic integrase inhibitor, a key enzyme involved in the infection process of various immunodeficiency viruses. The key transformation of the synthetic strategy was the selective C-N coupling of a sulfonamide to a heteroaryl bromide in the presence of potentially competing amide and carbamate functionalities. The transformation was accomplished with CuI catalysis using bypiridine as the ligand in the presence of base and enabled a convergent approach to the target molecule.

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