4470-71-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4470-71-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,7 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4470-71:
(6*4)+(5*4)+(4*7)+(3*0)+(2*7)+(1*1)=87
87 % 10 = 7
So 4470-71-7 is a valid CAS Registry Number.