531-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 531-62-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,3 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 531-62:
(5*5)+(4*3)+(3*1)+(2*6)+(1*2)=54
54 % 10 = 4
So 531-62-4 is a valid CAS Registry Number.