71818-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71818-99-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,1 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71818-99:
(7*7)+(6*1)+(5*8)+(4*1)+(3*8)+(2*9)+(1*9)=150
150 % 10 = 0
So 71818-99-0 is a valid CAS Registry Number.