474-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 474-43-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,7 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 474-43:
(5*4)+(4*7)+(3*4)+(2*4)+(1*3)=71
71 % 10 = 1
So 474-43-1 is a valid CAS Registry Number.