169129-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169129-56-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,1,2 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 169129-56:
(8*1)+(7*6)+(6*9)+(5*1)+(4*2)+(3*9)+(2*5)+(1*6)=160
160 % 10 = 0
So 169129-56-0 is a valid CAS Registry Number.