524-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 524-28-7 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 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 524-28:
(5*5)+(4*2)+(3*4)+(2*2)+(1*8)=57
57 % 10 = 7
So 524-28-7 is a valid CAS Registry Number.