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643002-08-8

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643002-08-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 643002-08-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,0,0 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 643002-08:
(8*6)+(7*4)+(6*3)+(5*0)+(4*0)+(3*2)+(2*0)+(1*8)=108
108 % 10 = 8
So 643002-08-8 is a valid CAS Registry Number.

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