181205-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181205-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,2,0 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 181205-66:
(8*1)+(7*8)+(6*1)+(5*2)+(4*0)+(3*5)+(2*6)+(1*6)=113
113 % 10 = 3
So 181205-66-3 is a valid CAS Registry Number.