169313-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169313-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,3,1 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 169313-65:
(8*1)+(7*6)+(6*9)+(5*3)+(4*1)+(3*3)+(2*6)+(1*5)=149
149 % 10 = 9
So 169313-65-9 is a valid CAS Registry Number.