89-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89-06-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89-06:
(4*8)+(3*9)+(2*0)+(1*6)=65
65 % 10 = 5
So 89-06-5 is a valid CAS Registry Number.