89380-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89380-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,8 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89380-89:
(7*8)+(6*9)+(5*3)+(4*8)+(3*0)+(2*8)+(1*9)=182
182 % 10 = 2
So 89380-89-2 is a valid CAS Registry Number.