166099-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166099-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,0,9 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 166099-06:
(8*1)+(7*6)+(6*6)+(5*0)+(4*9)+(3*9)+(2*0)+(1*6)=155
155 % 10 = 5
So 166099-06-5 is a valid CAS Registry Number.