31825-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31825-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,8,2 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31825-28:
(7*3)+(6*1)+(5*8)+(4*2)+(3*5)+(2*2)+(1*8)=102
102 % 10 = 2
So 31825-28-2 is a valid CAS Registry Number.