81162-88-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81162-88-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,6 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81162-88:
(7*8)+(6*1)+(5*1)+(4*6)+(3*2)+(2*8)+(1*8)=121
121 % 10 = 1
So 81162-88-1 is a valid CAS Registry Number.