301-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 301-03-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,0 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 301-03:
(5*3)+(4*0)+(3*1)+(2*0)+(1*3)=21
21 % 10 = 1
So 301-03-1 is a valid CAS Registry Number.