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28251-80-1

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28251-80-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28251-80-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,5 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28251-80:
(7*2)+(6*8)+(5*2)+(4*5)+(3*1)+(2*8)+(1*0)=111
111 % 10 = 1
So 28251-80-1 is a valid CAS Registry Number.

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