581-10-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 581-10-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,8 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 581-10:
(5*5)+(4*8)+(3*1)+(2*1)+(1*0)=62
62 % 10 = 2
So 581-10-2 is a valid CAS Registry Number.