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256345-54-7

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256345-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256345-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,3,4 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 256345-54:
(8*2)+(7*5)+(6*6)+(5*3)+(4*4)+(3*5)+(2*5)+(1*4)=147
147 % 10 = 7
So 256345-54-7 is a valid CAS Registry Number.

256345-54-7Downstream Products

256345-54-7Relevant articles and documents

Unsymmetrical cyclic ureas as HIV-1 protease inhibitors: Novel biaryl indazoles as P2/P2' substituents

Patel, Mona,Rodgers, James D.,McHugh Jr., Robert J.,Johnson, Barry L.,Cordova, Beverly C.,Klabe, Ronald M.,Bacheler, Lee T.,Erickson-Viitanen, Susan,Soo S, Ko

, p. 3217 - 3220 (2007/10/03)

The preparation of unsymmetrical cyclic ureas bearing novel biaryl indazoles as P2/P2' substituents was undertaken, utilizing a Suzuki coupling reaction as the key step. Compound 6i was equipotent to the lead compound of the series SE063.

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