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105431-81-0

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105431-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105431-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,3 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 105431-81:
(8*1)+(7*0)+(6*5)+(5*4)+(4*3)+(3*1)+(2*8)+(1*1)=90
90 % 10 = 0
So 105431-81-0 is a valid CAS Registry Number.

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