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1002404-84-3

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1002404-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1002404-84-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,2,4,0 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1002404-84:
(9*1)+(8*0)+(7*0)+(6*2)+(5*4)+(4*0)+(3*4)+(2*8)+(1*4)=73
73 % 10 = 3
So 1002404-84-3 is a valid CAS Registry Number.

1002404-84-3Relevant articles and documents

Convenient synthesis of novel 2-substituted imidazopyrazinone derivatives

Zhu, Yanyun,Song, Gonghua,Lu, Peng,Zhu, Mingjie,Chen, Yilang

, p. 469 - 479 (2011/11/29)

Starting from commercially available piperazine-2-carboxylic acid, a series of novel 2-aryl and 2-benzyl substituted imidazopyrazinone were prepared. The intermediates 5a-g were obtained through facile Buchwald-Hartwig coupling reaction, and the effects of catalyst, base, and solvent on the coupling reaction were investigated. The optimal reaction conditions for the coupling reaction were PdCl2(dppf)=NaO-t-Bu=toluene. Taylor & Francis Group, LLC.

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