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162718-91-4

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162718-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 162718-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,7,1 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 162718-91:
(8*1)+(7*6)+(6*2)+(5*7)+(4*1)+(3*8)+(2*9)+(1*1)=144
144 % 10 = 4
So 162718-91-4 is a valid CAS Registry Number.

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