445405-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 445405-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,5,4,0 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 445405-58:
(8*4)+(7*4)+(6*5)+(5*4)+(4*0)+(3*5)+(2*5)+(1*8)=143
143 % 10 = 3
So 445405-58-3 is a valid CAS Registry Number.