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71981-97-0

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71981-97-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71981-97-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,8 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71981-97:
(7*7)+(6*1)+(5*9)+(4*8)+(3*1)+(2*9)+(1*7)=160
160 % 10 = 0
So 71981-97-0 is a valid CAS Registry Number.

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