89759-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89759-25-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,5 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89759-25:
(7*8)+(6*9)+(5*7)+(4*5)+(3*9)+(2*2)+(1*5)=201
201 % 10 = 1
So 89759-25-1 is a valid CAS Registry Number.