321-10-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321-10-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,2 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 321-10:
(5*3)+(4*2)+(3*1)+(2*1)+(1*0)=28
28 % 10 = 8
So 321-10-8 is a valid CAS Registry Number.