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12-79-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 12-79-3 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 1 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12-79:
(4*1)+(3*2)+(2*7)+(1*9)=33
33 % 10 = 3
So 12-79-3 is a valid CAS Registry Number.

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