4508-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4508-25-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,0 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4508-25:
(6*4)+(5*5)+(4*0)+(3*8)+(2*2)+(1*5)=82
82 % 10 = 2
So 4508-25-2 is a valid CAS Registry Number.