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698991-56-9

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698991-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 698991-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,8,9,9 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 698991-56:
(8*6)+(7*9)+(6*8)+(5*9)+(4*9)+(3*1)+(2*5)+(1*6)=259
259 % 10 = 9
So 698991-56-9 is a valid CAS Registry Number.

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