1166839-08-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1166839-08-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,6,8,3 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1166839-08:
(9*1)+(8*1)+(7*6)+(6*6)+(5*8)+(4*3)+(3*9)+(2*0)+(1*8)=182
182 % 10 = 2
So 1166839-08-2 is a valid CAS Registry Number.