1189166-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189166-68-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,1,6 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1189166-68:
(9*1)+(8*1)+(7*8)+(6*9)+(5*1)+(4*6)+(3*6)+(2*6)+(1*8)=194
194 % 10 = 4
So 1189166-68-4 is a valid CAS Registry Number.