14664-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14664-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,6,6 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 14664-89:
(7*1)+(6*4)+(5*6)+(4*6)+(3*4)+(2*8)+(1*9)=122
122 % 10 = 2
So 14664-89-2 is a valid CAS Registry Number.