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454479-35-7

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454479-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 454479-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,4,4,7 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 454479-35:
(8*4)+(7*5)+(6*4)+(5*4)+(4*7)+(3*9)+(2*3)+(1*5)=177
177 % 10 = 7
So 454479-35-7 is a valid CAS Registry Number.

454479-35-7Relevant articles and documents

Mono N-arylation of piperazine(III): Metal-catalyzed N-arylation and its application to the novel preparations of the antifungal posaconazole and its advanced intermediate

Hepperle, Michael,Eckert, Jeffrey,Gala, Dinesh,Shen, Lan,Anderson Evans,Goodman, Andrew

, p. 3359 - 3363 (2002)

A novel application of Pd0-catalyzed arylation to mono N-arylated piperazines, its mechanism, and its application towards the novel syntheses of the key differentially N,N′-diarylated piperazine antifungal intermediate N-(4-hydroxyphenyl)-N′-(4-aminophenyl)piperazine 5 as well as posaconazole 1 are described.

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