198066-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198066-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,0,6 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 198066-66:
(8*1)+(7*9)+(6*8)+(5*0)+(4*6)+(3*6)+(2*6)+(1*6)=179
179 % 10 = 9
So 198066-66-9 is a valid CAS Registry Number.