1158418-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158418-66-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,4,1 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1158418-66:
(9*1)+(8*1)+(7*5)+(6*8)+(5*4)+(4*1)+(3*8)+(2*6)+(1*6)=166
166 % 10 = 6
So 1158418-66-6 is a valid CAS Registry Number.