474-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 474-71-5 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, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 474-71:
(5*4)+(4*7)+(3*4)+(2*7)+(1*1)=75
75 % 10 = 5
So 474-71-5 is a valid CAS Registry Number.