78128-44-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78128-44-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,2 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78128-44:
(7*7)+(6*8)+(5*1)+(4*2)+(3*8)+(2*4)+(1*4)=146
146 % 10 = 6
So 78128-44-6 is a valid CAS Registry Number.