66199-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66199-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,1,9 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 66199-86:
(7*6)+(6*6)+(5*1)+(4*9)+(3*9)+(2*8)+(1*6)=168
168 % 10 = 8
So 66199-86-8 is a valid CAS Registry Number.