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51331-18-1

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51331-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51331-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,3,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51331-18:
(7*5)+(6*1)+(5*3)+(4*3)+(3*1)+(2*1)+(1*8)=81
81 % 10 = 1
So 51331-18-1 is a valid CAS Registry Number.

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