81968-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81968-53-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,6 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81968-53:
(7*8)+(6*1)+(5*9)+(4*6)+(3*8)+(2*5)+(1*3)=168
168 % 10 = 8
So 81968-53-8 is a valid CAS Registry Number.