89353-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89353-73-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,5 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89353-73:
(7*8)+(6*9)+(5*3)+(4*5)+(3*3)+(2*7)+(1*3)=171
171 % 10 = 1
So 89353-73-1 is a valid CAS Registry Number.