81728-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81728-69-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,2 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81728-69:
(7*8)+(6*1)+(5*7)+(4*2)+(3*8)+(2*6)+(1*9)=150
150 % 10 = 0
So 81728-69-0 is a valid CAS Registry Number.