169888-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169888-13-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,8,8 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169888-13:
(8*1)+(7*6)+(6*9)+(5*8)+(4*8)+(3*8)+(2*1)+(1*3)=205
205 % 10 = 5
So 169888-13-5 is a valid CAS Registry Number.