809-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 809-63-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,0 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 809-63:
(5*8)+(4*0)+(3*9)+(2*6)+(1*3)=82
82 % 10 = 2
So 809-63-2 is a valid CAS Registry Number.