13512-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13512-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,1 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13512-25:
(7*1)+(6*3)+(5*5)+(4*1)+(3*2)+(2*2)+(1*5)=69
69 % 10 = 9
So 13512-25-9 is a valid CAS Registry Number.