69728-05-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69728-05-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,2 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 69728-05:
(7*6)+(6*9)+(5*7)+(4*2)+(3*8)+(2*0)+(1*5)=168
168 % 10 = 8
So 69728-05-8 is a valid CAS Registry Number.