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817177-61-0

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817177-61-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 817177-61-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,7,1,7 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 817177-61:
(8*8)+(7*1)+(6*7)+(5*1)+(4*7)+(3*7)+(2*6)+(1*1)=180
180 % 10 = 0
So 817177-61-0 is a valid CAS Registry Number.

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