6445-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6445-10-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 5 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6445-10:
(6*6)+(5*4)+(4*4)+(3*5)+(2*1)+(1*0)=89
89 % 10 = 9
So 6445-10-9 is a valid CAS Registry Number.