89898-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89898-85-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,9 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89898-85:
(7*8)+(6*9)+(5*8)+(4*9)+(3*8)+(2*8)+(1*5)=231
231 % 10 = 1
So 89898-85-1 is a valid CAS Registry Number.