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815620-57-6

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815620-57-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 815620-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,5,6,2 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 815620-57:
(8*8)+(7*1)+(6*5)+(5*6)+(4*2)+(3*0)+(2*5)+(1*7)=156
156 % 10 = 6
So 815620-57-6 is a valid CAS Registry Number.

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