7257-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7257-59-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,5 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7257-59:
(6*7)+(5*2)+(4*5)+(3*7)+(2*5)+(1*9)=112
112 % 10 = 2
So 7257-59-2 is a valid CAS Registry Number.
7257-59-2Relevant articles and documents
Pyrazine aldimine compounds as antimicrobial agents
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, (2008/06/13)
The instant invention is directed to a pyrazine compound represented by the formula STR1 wherein Z is --NH--, --NHSO2 --, --NHCO-- or --S--, Ar is a phenyl ring substituted by 1 or 2 substituents selected from the group consisting of halo, lower alkyl, lower alkoxy or nitro, and n is 0 or 1.