89853-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89853-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,5 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89853-64:
(7*8)+(6*9)+(5*8)+(4*5)+(3*3)+(2*6)+(1*4)=195
195 % 10 = 5
So 89853-64-5 is a valid CAS Registry Number.