443-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443-13-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,4 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 443-13:
(5*4)+(4*4)+(3*3)+(2*1)+(1*3)=50
50 % 10 = 0
So 443-13-0 is a valid CAS Registry Number.