7318-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7318-89-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,1 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7318-89:
(6*7)+(5*3)+(4*1)+(3*8)+(2*8)+(1*9)=110
110 % 10 = 0
So 7318-89-0 is a valid CAS Registry Number.