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859941-81-4

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859941-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 859941-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,4 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 859941-81:
(8*8)+(7*5)+(6*9)+(5*9)+(4*4)+(3*1)+(2*8)+(1*1)=234
234 % 10 = 4
So 859941-81-4 is a valid CAS Registry Number.

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