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685556-89-2

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685556-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 685556-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,5 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 685556-89:
(8*6)+(7*8)+(6*5)+(5*5)+(4*5)+(3*6)+(2*8)+(1*9)=222
222 % 10 = 2
So 685556-89-2 is a valid CAS Registry Number.

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