14521-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14521-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,5,2 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 14521-05:
(7*1)+(6*4)+(5*5)+(4*2)+(3*1)+(2*0)+(1*5)=72
72 % 10 = 2
So 14521-05-2 is a valid CAS Registry Number.