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663168-61-4

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663168-61-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 663168-61-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,1,6 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 663168-61:
(8*6)+(7*6)+(6*3)+(5*1)+(4*6)+(3*8)+(2*6)+(1*1)=174
174 % 10 = 4
So 663168-61-4 is a valid CAS Registry Number.

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