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686289-91-8

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686289-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 686289-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,6,2,8 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 686289-91:
(8*6)+(7*8)+(6*6)+(5*2)+(4*8)+(3*9)+(2*9)+(1*1)=228
228 % 10 = 8
So 686289-91-8 is a valid CAS Registry Number.

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