13129-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13129-62-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,2 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13129-62:
(7*1)+(6*3)+(5*1)+(4*2)+(3*9)+(2*6)+(1*2)=79
79 % 10 = 9
So 13129-62-9 is a valid CAS Registry Number.