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781-18-0

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781-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 781-18-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 781-18:
(5*7)+(4*8)+(3*1)+(2*1)+(1*8)=80
80 % 10 = 0
So 781-18-0 is a valid CAS Registry Number.

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