41424-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41424-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,4,2 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 41424-71:
(7*4)+(6*1)+(5*4)+(4*2)+(3*4)+(2*7)+(1*1)=89
89 % 10 = 9
So 41424-71-9 is a valid CAS Registry Number.