81180-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81180-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,8 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81180-77:
(7*8)+(6*1)+(5*1)+(4*8)+(3*0)+(2*7)+(1*7)=120
120 % 10 = 0
So 81180-77-0 is a valid CAS Registry Number.