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691858-13-6

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691858-13-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 691858-13-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,8,5 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 691858-13:
(8*6)+(7*9)+(6*1)+(5*8)+(4*5)+(3*8)+(2*1)+(1*3)=206
206 % 10 = 6
So 691858-13-6 is a valid CAS Registry Number.

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