89281-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89281-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,8 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89281-66:
(7*8)+(6*9)+(5*2)+(4*8)+(3*1)+(2*6)+(1*6)=173
173 % 10 = 3
So 89281-66-3 is a valid CAS Registry Number.