98006-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98006-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,0 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98006-89:
(7*9)+(6*8)+(5*0)+(4*0)+(3*6)+(2*8)+(1*9)=154
154 % 10 = 4
So 98006-89-4 is a valid CAS Registry Number.