89148-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89148-65-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,4 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89148-65:
(7*8)+(6*9)+(5*1)+(4*4)+(3*8)+(2*6)+(1*5)=172
172 % 10 = 2
So 89148-65-2 is a valid CAS Registry Number.