69528-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69528-53-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,5,2 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 69528-53:
(7*6)+(6*9)+(5*5)+(4*2)+(3*8)+(2*5)+(1*3)=166
166 % 10 = 6
So 69528-53-6 is a valid CAS Registry Number.