18529-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18529-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,2 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 18529-66:
(7*1)+(6*8)+(5*5)+(4*2)+(3*9)+(2*6)+(1*6)=133
133 % 10 = 3
So 18529-66-3 is a valid CAS Registry Number.