81061-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81061-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,6 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81061-28:
(7*8)+(6*1)+(5*0)+(4*6)+(3*1)+(2*2)+(1*8)=101
101 % 10 = 1
So 81061-28-1 is a valid CAS Registry Number.