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1284280-24-5

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1284280-24-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1284280-24-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,4,2,8 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1284280-24:
(9*1)+(8*2)+(7*8)+(6*4)+(5*2)+(4*8)+(3*0)+(2*2)+(1*4)=155
155 % 10 = 5
So 1284280-24-5 is a valid CAS Registry Number.

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