108172-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108172-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,1,7 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 108172-66:
(8*1)+(7*0)+(6*8)+(5*1)+(4*7)+(3*2)+(2*6)+(1*6)=113
113 % 10 = 3
So 108172-66-3 is a valid CAS Registry Number.