405520-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 405520-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,5,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 405520-71:
(8*4)+(7*0)+(6*5)+(5*5)+(4*2)+(3*0)+(2*7)+(1*1)=110
110 % 10 = 0
So 405520-71-0 is a valid CAS Registry Number.