169448-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169448-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,4,4 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169448-13:
(8*1)+(7*6)+(6*9)+(5*4)+(4*4)+(3*8)+(2*1)+(1*3)=169
169 % 10 = 9
So 169448-13-9 is a valid CAS Registry Number.