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201043-05-2

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201043-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201043-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,0,4 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 201043-05:
(8*2)+(7*0)+(6*1)+(5*0)+(4*4)+(3*3)+(2*0)+(1*5)=52
52 % 10 = 2
So 201043-05-2 is a valid CAS Registry Number.

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