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663203-63-2

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663203-63-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 663203-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,2,0 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 663203-63:
(8*6)+(7*6)+(6*3)+(5*2)+(4*0)+(3*3)+(2*6)+(1*3)=142
142 % 10 = 2
So 663203-63-2 is a valid CAS Registry Number.

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