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dichloro-[5-(2-chloro-phenyl)-tetrazol-1-yl]-amine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857997-05-8

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857997-05-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857997-05-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,9 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 857997-05:
(8*8)+(7*5)+(6*7)+(5*9)+(4*9)+(3*7)+(2*0)+(1*5)=248
248 % 10 = 8
So 857997-05-8 is a valid CAS Registry Number.

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