634163-00-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 634163-00-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,4,1,6 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 634163-00:
(8*6)+(7*3)+(6*4)+(5*1)+(4*6)+(3*3)+(2*0)+(1*0)=131
131 % 10 = 1
So 634163-00-1 is a valid CAS Registry Number.