171669-64-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171669-64-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,6 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 171669-64:
(8*1)+(7*7)+(6*1)+(5*6)+(4*6)+(3*9)+(2*6)+(1*4)=160
160 % 10 = 0
So 171669-64-0 is a valid CAS Registry Number.