81501-00-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81501-00-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,0 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81501-00:
(7*8)+(6*1)+(5*5)+(4*0)+(3*1)+(2*0)+(1*0)=90
90 % 10 = 0
So 81501-00-0 is a valid CAS Registry Number.