525-16-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 525-16-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,2 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 525-16:
(5*5)+(4*2)+(3*5)+(2*1)+(1*6)=56
56 % 10 = 6
So 525-16-6 is a valid CAS Registry Number.