445-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 445-32-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,4 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 445-32:
(5*4)+(4*4)+(3*5)+(2*3)+(1*2)=59
59 % 10 = 9
So 445-32-9 is a valid CAS Registry Number.