456-18-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 456-18-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,5 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 456-18:
(5*4)+(4*5)+(3*6)+(2*1)+(1*8)=68
68 % 10 = 8
So 456-18-8 is a valid CAS Registry Number.